What is the caliber of the dshk machine gun. See what "DShK" is in other dictionaries

In 1929 designer Vasily Degtyarev received the task of creating the first Soviet heavy machine gun, designed primarily to combat aircraft at altitudes up to 1500 meters.

The large-caliber heavy machine gun DK was put into service in 1931 and was used for installation on armored vehicles and ships of river fleets.

However, military tests showed that this model did not live up to the expectations of the military, and the machine gun was sent for revision. At the same time, he worked on the design Georgy Shpagin, who invented the original tape power module for DC.

The combined forces of Degtyarev and Shpagin created a version of the machine gun, which in December 1938 passed all field tests.

Armor-piercing incendiary power

On February 26, 1939, the improved machine gun was adopted by the Red Army under the designation "12.7 mm Degtyarev-Shpagin heavy machine gun of the 1938 model of the year - DShK." The machine gun was mounted on a universal machine Kolesnikova model 1938, which was equipped with its own charging handle, had a removable shoulder pad for firing at aircraft, a cartridge box bracket, and a rod-type vertical aiming mechanism.

Ground targets were fired from a wheeled course, while the legs were folded. For firing at air targets, the wheel drive was separated, and the machine was laid out in the form of a tripod.

The 12.7 mm DShK cartridge could have an armor-piercing bullet, armor-piercing incendiary, sighting-incendiary, tracer, sighting. Armor-piercing incendiary tracer bullets were used against flying targets.

Serial production of the DShK began in 1940, and the machine gun immediately began to enter the troops. To the beginning of the Great Patriotic War in the Red Army, about 800 DShK machine guns were in service.

Machine gun DShK 12.7 mm model 1938. Photo: RIA Novosti / Khomenko

Nazi aviation nightmare

Almost from the first days of the war, DShKs began to cause serious damage to enemy aircraft, demonstrating their high efficiency. The problem, however, was that with the predominance of the Nazis in the air, several hundred DShK installations on the entire front could not radically change the situation.

Increasing the pace of production made it possible to solve this problem. By the end of the Great Patriotic War, up to 9,000 DShK machine guns were produced, which not only equipped anti-aircraft gunners of the Red Army and the Navy. They began to be installed en masse on the towers of tanks and self-propelled artillery mounts. This allowed tankers not only to fight against air attacks, but to increase their effectiveness in urban combat, when they had to suppress firing points on the upper floors of buildings.

The Wehrmacht did not have a full-time heavy machine gun of this type, which became a serious advantage for the Red Army.

Soldier Syrian army behind the DShK machine gun. Photo: RIA Novosti / Ilya Pitalev

Continuation of the tradition

The modernized model of the DShKM machine gun was in service with the armies of at least 40 countries over several post-war decades. brainchild Soviet designers and is still in service in the countries of Asia, Africa, Latin America and in Ukraine. In Russia, the DShK and DShKM were replaced by the Utes and Kord heavy machine guns. The name of the latter stands for "Kovrov gunsmiths Degtyarevtsy" - the machine gun was developed at the Kovrov plant named after. Degtyarev, where the history of Soviet heavy machine guns once began.

12.7 mm Degtyarev-Shpagin DShK heavy machine gun

On February 26, 1939, by a decree of the Defense Committee under the Council of People's Commissars of the USSR, a 12.7-mm easel machine gun of the 1938 model DShK (“Degtyareva-Shpagin large-caliber”) of the system of V. A. Degtyarev with a drum receiver of the belt of the G. S. system was adopted. Shpagin. The machine gun was adopted on the universal machine of the I.N. Kolesnikov with a detachable wheel drive and a folding tripod. During the Great Patriotic War, the DShK machine gun was used to combat air targets, lightly armored vehicles of the enemy, his manpower at long and medium ranges, as armament of tanks and self-propelled guns. At the end of World War II, designers K. I. Sokolov and A. K. Norov carried out a significant modernization of the heavy machine gun. First of all, the power mechanism was changed - the drum receiver was replaced by a slider one. In addition, manufacturability has been improved, the mount of the machine gun barrel has been changed, and a number of measures have been taken to increase survivability. The reliability of the system has been improved. The first 250 modernized machine guns were produced in February 1945 at a factory in Saratov. In 1946, the machine gun was put into service under the designation “12.7 mm machine gun mod. 1938/46, DShKM. The DShKM immediately became a tank anti-aircraft machine gun: it was installed on tanks of the IS, T-54 / 55, T-62 series, on the BTR-50PA, modernized ISU-122 and ISU-152, special vehicles on a tank chassis.
Since the differences between the 12.7 mm machine gun mod. 1938, DShK and modernized machine gun mod. 1938/46 DShKM consists mainly in the device of the feed mechanism, we will consider these machine guns together.

Automatic machine gun and operates due to the removal of powder gases through a transverse hole in the wall of the barrel, with a long stroke of the gas piston. The closed-type gas chamber is fixed under the barrel and is equipped with a three-hole pipe regulator. Along the entire length of the barrel, transverse ribbing is made for better cooling; a single-chamber active muzzle brake is mounted on the muzzle of the barrel. The barrel bore is locked when the bolt lugs are pulled apart. The DShK barrel was equipped with an active muzzle brake, which was subsequently replaced by a flat brake of an active type (such a muzzle brake was also used on the DShK, and became the main one for tank modifications).

The leading link of automation is the bolt carrier. A gas piston rod is screwed into the bolt frame in front, and a drummer is attached to the rack in its rear part. When the bolt approaches the breech breech, the bolt stops and the bolt carrier continues to move forward; The reduction of the lugs and the unlocking of the shutter is carried out by the bevels of the figured seat of the bolt carrier when it moves backward. extraction spent cartridge case provides a bolt ejector, the cartridge case is removed from the weapon down through the bolt frame window, using a spring-loaded rod reflector mounted at the top of the bolt. The reciprocating mainspring is put on the gas piston rod and closed with a tubular casing. In the butt plate there are two spring shock absorbers that soften the impact of the bolt carrier and the bolt at the rearmost point. In addition, shock absorbers give the frame and bolt an initial return speed, thereby increasing the rate of fire. The reloading handle, located at the bottom right, is rigidly connected to the bolt frame and is small in size. The reloading mechanism of the machine gun mount interacts with the reload handle, but the machine gunner can directly use the handle, for example, by inserting a cartridge into it with the bottom of the cartridge case.

The shot is fired with the shutter open. The trigger mechanism allows only automatic fire. It is actuated by a trigger lever pivotally mounted on the butt plate of the machine gun. The trigger mechanism is assembled in a separate housing and is equipped with a lever non-automatic fuse that blocks the trigger lever (the front position of the flag) and prevents spontaneous lowering of the sear.

The impact mechanism is powered by a reciprocating mainspring. After locking the bore, the bolt frame continues to move forward, in the extreme forward position it hits the clutch, and the drummer hits the striker mounted in the bolt. The sequence of operations of rearing the lugs and hitting the striker eliminates the possibility of firing if the barrel bore is not completely locked. To prevent the bolt frame from rebounding after being hit in the extreme forward position, a “delay” is mounted in it, including two springs, a yoke and a roller.

DShKM machine gun incomplete disassembly: 1 - barrel with gas chamber, front sight and muzzle brake; 2 - bolt carrier with a gas piston; 3 - shutter; 4 - lugs; 5 - drummer; 6 - wedge; 7 - butt pad with buffer; 8 - trigger housing; 9 - cover and base of the receiver and feed drive lever; 10 - receiver

Cartridge supply - tape, with the left supply of a metal link tape. The tape consists of open links and fits into a metal box attached to the installation bracket. The visor of the box serves as a feed tray for the tape. The drum receiver DShK was actuated from the handle of the bolt carrier moving backward, it bumped into the fork of the swinging feeder lever and turned it. The pawl at the other end of the lever turned the drum 60°, which pulled the tape. Extraction of the cartridge from the link of the tape - in the lateral direction. In the DShKM machine gun, the slide type receiver is mounted on top of the receiver. The slider with feed fingers is driven by a toggle lever rotating in a horizontal plane. The crank arm, in turn, is driven by a swing arm with a fork at the end. The latter, as in the DShK, is driven by the bolt carrier handle.

By flipping the slider crank, you can change the ribbon feed direction from left to right.
The 12.7-mm cartridge has several options: with an armor-piercing bullet, armor-piercing incendiary, sighting-incendiary, sighting, tracer, armor-piercing incendiary tracer (used against air targets). The sleeve does not have a protruding rim, which made it possible to apply a direct feed of the cartridge from the tape.

For shooting at ground targets, a folding frame sight is used, mounted on a base on top of the receiver. The sight has worm gears for installing the rear sight and introducing lateral corrections, the frame is equipped with 35 divisions (up to 3500 m in 100) and is tilted to the left to compensate for bullet derivation. The pin front sight with a fuse is placed on a high base in the muzzle of the barrel. When firing at ground targets, the dispersion diameter at a distance of 100 m was 200 mm. The DShKM machine gun is equipped with a collimator anti-aircraft sight, which facilitates aiming at a high-speed target and allows you to see the aiming mark and the target with equal clarity. DShKM, which was mounted on tanks as an anti-aircraft gun, was supplied with collimator sight K-10T. Optical system the sight formed at the output the image of the target and the aiming grid projected onto it with rings for firing with lead and divisions of the goniometer.

Tactical and technical characteristics of the DShK machine gun

Caliber: 12.7mm
Cartridge: 12.7x107
Machine gun body weight: 33.4 kg
Machine gun body length: 1626 mm
Barrel length: 1070 mm
starting speed bullets: 850-870 m/s
Rate of fire: 80-125 rds / min
Rate of fire: 550-600 rds / min
Sighting range: 3500 m
Belt capacity: 50 rounds

DShK 1938 with armored shield

Well aware of the importance of heavy machine guns for equipping armored personnel carriers, combat boats and ground fortifications in order to destroy armored and air targets, as well as to suppress enemy machine-gun points, the Soviet military command in the late twenties gave the corresponding task to the designer V. A. Degtyarev. On the basis of his light machine gun DP 1928, he designed a model of a heavy machine gun, called DK. In 1930, the test was submitted prototype caliber 12.7 mm.

armor-piercing incendiary bullet B-32 for cartridge 12.7*108


The larger the caliber and muzzle velocity of the bullet, the higher its overall penetration ability. However, the mass of weapons and their rate of fire are also closely related. If it is required to achieve a higher initial velocity of a bullet with a larger caliber, then the mass of the weapon must also increase. This has economic implications. In addition, since parts with more mass have more inertia, the rate of fire decreases.
Taking into account all these factors, it was necessary to find the best option. Such a compromise at that time was the caliber
12.7 mm. The US military has gone the same way. Already at the end of the First World War, they adopted a .50 caliber machine gun. In the course of modernization on its basis in 1933, the Browning M2 NV heavy machine gun was created. Eleven years later, a machine gun of the Vladimirov KPV system appeared in the Soviet Union. He had an even larger caliber -14.5 mm.


Cartridges 12.7 for DShK

Degtyarev chose for his machine gun a domestic cartridge for a tank gun M 30, which had dimensions of 12.7x108. In 1930, such cartridges were produced with armor-piercing, and since 1932 with armor-piercing incendiary bullets. Subsequently, they underwent modernization and received the name M 30/38.
The Degtyarev prototype of the 1930 model was equipped with a frame sight designed for shooting up to 3500 m at ground targets, as well as a round sight with crosshairs at a distance of up to 2400 m for air and fast moving ground targets. Ammunition was fed from a 30-round disk magazine. The barrel was threaded to the body and could be replaced. The recoil force was reduced with the help of a muzzle brake. A special machine was created for the machine gun.


Metal one-piece machine-gun belt with a capacity of 50 rounds for the DShK machine gun (Degtyarev-Shpagin large-caliber) arr. 1938


Machine-gun belt with a capacity of 10 rounds each for the DShKM machine gun.

In comparative shooting tests with other machine guns, including the predecessor of the later regular American Browning machine gun, the Soviet model showed promising results. The initial velocity of the bullet was 810 m / s, the rate of fire was from 350 to 400 rds / min. At a distance of 300 m, a bullet, when it hit the target at an angle of 90 °, pierced 16 mm steel armor. The testing committee recommended some design changes, such as changing the cartridge feed mechanism from disk to belt. The machine gun was approved for military trials, and in 1931 a trial batch of 50 units was ordered.
How many of these machine guns were made - it was not possible to establish exactly. Information in the Soviet literature about small-scale production concerns not only this sample, but also its second modification, which appeared in the late thirties. According to these data, until June 22, 1941, the troops received a total of about 2,000 heavy machine guns of 12.7 mm caliber. Samples of the DK model, released before 1935, among them were hardly more than a thousand.


DShK 1938 on an anti-aircraft machine

Degtyarev did not manage to eliminate the shortcomings identified during the tests, in particular, the weak maneuverability of the machine gun and the too low rate of fire. It took too long to redirect a ground machine gun to air targets, since the machine gun developed was imperfect. The low rate of fire depended on the work of a bulky and heavy cartridge feed mechanism.
G.S. Shpagin took up the alteration of the feed mechanism from the disk store to the tape, as a result of which the rate of fire increased significantly, and I.N. Kolesnikov improved the machine developed by him, which made it possible to speed up and simplify the redirection of the machine gun from ground to air targets.
The improved model passed all the tests in April 1938 and was accepted into service on February 26, 1939. Starting next year, it began to be delivered to the troops. Weapons of this type proved to be excellent during the Second World War as a means of destroying ground, water and air targets. It not only was not inferior to other machine guns of this class, but also surpassed them.
In 1940, 566 such machine guns were delivered to the army, and in the first half of the next year - another 234. As of January 1, 1942, the troops had 720 serviceable heavy machine guns DShK 1938, and by July 1 - over 1947. By January 1, 1943, this figure had grown up to 5218, and a year later - up to 8442. These facts allow us to draw conclusions about the growth in production during the war.
At the end of 1944, the machine gun was somewhat modernized, the supply of cartridges was improved, and the wear resistance of some parts and assemblies was increased. The modification received the designation DShK 1938/46.
This modification of the DShK machine gun was used in Soviet army until the 1980s. Also, the DShK machine gun was used in foreign armies, for example, Egypt, Albania. China, East Germany and Czechoslovakia, Indonesia, Korea, Cuba, Poland, Romania, Hungary and even Vietnam. The modification produced in China and Pakistan was called Model 54. It has a caliber of 12.7 mm or .50.
The DShK 1938 heavy machine gun works on the principle of using the energy of powder gases, has an air-cooled barrel and a rigid bolt-to-barrel grip. Gas pressure can be adjusted. A special device holds the bolt so that when moving forward it does not hit the base of the barrel. The latter is equipped with radial cooling fins almost along its entire length. The flame arrester has a considerable length.
The practical rate of fire is 80 rds/min, and the theoretical rate of fire is 600 rds/min. Cartridges are fed from a metal tape using a special drum device. During rotation, the drum moves the tape, captures cartridges from it and feeds it into the machine gun mechanism, where the bolt sends them into the chamber. The tape is designed for 50 rounds of type M 30/38. Shooting is carried out in bursts.
The sighting device consists of an adjustable sight and a protected front sight. The length of the sight line is 1100 mm. The sight can be installed at a distance of up to 3500 m. There is a special sight for hitting air targets, developed in 1938, and modernized 3 years later. Although the optimal firing range is indicated as 2000 m, the machine gun can successfully hit manpower at a distance of up to 3500 m, air targets up to 2400 m and armored vehicles- up to 500 m. At this distance, the bullet pierces 15 mm armor.


DShK 1938 on an anti-aircraft machine

Various designs were used as machines. To combat ground and air targets, the already mentioned special Kolesnikov machine with a circular view was used. When placed on a wheeled machine with or without a protective shield, the machine gun was mainly used to destroy armored vehicles. After removing the wheels, the machine could be transformed into a tripod anti-aircraft.
During the war, machine guns of this type were also installed on self-propelled carriages, on trucks, railway platforms, on heavy tanks, ships and boats. Twin or quadruple installations were often used. Often they were supplied with a searchlight-seeker.
Characteristics: heavy machine gun DShK 1938
Caliber, mm ............................................... ...............................................12.7
Muzzle velocity (Vq), m/s .............................................. .....850
Weapon length, mm .............................................. ......................1626
Rate of fire, rds/min....................................... ..............600
Ammunition supply ................................. metal tape
for 50 rounds
Weight in an unloaded state without a machine, kg ........... 33.30
Mass of the wheeled machine, kg .............................................. .....142.10
Mass of the full tape, kg .............................................. .................9.00
Cartridge ..................... 12.7x108
Barrel length, mm ............................................... ......................1000
Grooves/Direction ............................................................... ....................4/p
Sighting range, m ........................................... 3500
Effective firing range, m..................................2000*
* Optimal distance.














DShK 1938 on an anti-aircraft machine



DShKM machine gun in incomplete disassembly: 1 - barrel with gas chamber, front sight and muzzle brake; 2 - bolt carrier with a gas piston; 3 - shutter; 4 - lugs; 5 - drummer; 6 - wedge; 7 - recoil pad with buffer; 8 - trigger housing; 9 - cover and base of the receiver and feed drive lever; 10 - receiver.








Soviet machine gun DShKM in anti-aircraft version

Production history

Operation history

Weapon characteristics

Projectile characteristics

12.7 mm shipborne machine gun mounts based on the DShK- pedestal anti-aircraft guns that have been in service with the USSR Navy since 1940. DShK is a 12.7 mm DK machine gun modernized by G.S. Shpagin in 1937. The DShK machine gun was mounted on a marine pedestal stationary installation. By the end of 1945, these installations became a mandatory attribute of virtually any Soviet ship.

Description and characteristics of the gun

The DShK machine gun is a modification of the DK heavy machine gun. In it, store food was replaced by a drum-type receiver with a tape food and supply cartridges were produced by a swing arm, which converted forward movement bolt carrier into the rotational movement of the drum.

The kinematic connection of the bolt carrier with the feed lever was not carried out along the entire path of the bolt carrier, and the removal of the cartridge from the tape link was due to squeezing it in the transverse direction during the rotation of the drum.

The machine gun was mounted on a marine pedestal stationary installation. It was usually located in the most convenient place for the line of fire. The installation consisted of a base with a rotating pedestal, a swivel head for attaching a machine gun and a shoulder pad, to which a butt-stop was attached to ensure the convenience of aiming a machine gun when firing by goals. The supply of the machine gun with cartridges, as well as the sights and methods of firing, were the same as the infantry model.

Tactical specifications

Name Meaning Name Meaning
Caliber 12.7mm Line of fire height 1276-1836 mm
Full barrel length 1003 mm Sweeping radius on trunks 1056 mm
Full barrel length 79 klb swing part weight 40 kg
Machine gun body length 1626 mm Rotating part weight 65 kg
Threaded length 890 mm Weight of the entire installation 195 kg
Number of grooves 8 Calculation 1 person
Groove depth 0.17 mm Power type Ribbon
groove width 2.8 mm Feeder capacity 50-100 pcs
Margin width 2 mm Number of trunks 1 PC
barrel weight 11.2 kg type of instalation Cabinet
Shutter weight 1.26 kg HV angle -34 +85 deg
The weight of the moving parts of the machine gun 3.9 kg GN angle 360 degrees
Machine gun body weight 33.4 kg rate of fire about 600 rds / min

The boatswain of the Soviet boat of the type "Small hunter" S.N. Shlykov, who shot down a German Junkers Ju 88 bomber. The boatswain stands behind the ship's pedestal installation of a 12.7-mm DShK machine gun.

History of creation

In 1930, the designer V. A. Degtyarev created a prototype 12.7-mm machine gun DK (Degtyarev large-caliber). The DK machine gun was designed for the new 12.7 mm cartridge. Machine gun automation worked due to the energy of powder gases discharged from the bore. Air barrel cooling. For better cooling, the barrel was equipped with 118 transverse ribs with a diameter of 73 mm. The barrel was locked by breeding the lugs to the sides. The percussion mechanism was of the percussion type and was driven by a reciprocating mainspring. The trigger mechanism provided only continuous fire and was equipped with a lever-type fuse that locks the trigger lever. The machine gun was powered from a drum-type magazine with a capacity of 30 rounds. Machine-gun belt metal.

Due to the lack of small-caliber anti-aircraft guns in the USSR (until 1940), 12.7-mm DK machine guns were included in the armament of ships and boats under construction of various projects, but the DKs themselves did not hit the ships.

The modernization of the 12.7-mm machine gun DK was carried out in 1937 under the leadership of G.S. Shpagin. The magazine feed was replaced by a drum-type receiver with tape feed. The supply of cartridges was carried out using a swinging lever that converts the translational movement of the bolt frame into the rotational movement of the drum. In this case, the kinematic connection of the bolt carrier with the feed lever was not carried out along the entire path of the bolt carrier. The extraction of the cartridge from the link of the tape was due to squeezing it in the transverse direction during the rotation of the drum.

Operation history

During the war, our fleet received 4018 DShK machine guns. By June 22, 1941, our Navy had 830 single-barreled DShK machine guns on pedestal mounts. The first days of the war showed the superiority of the DShK over the 7.62 mm machine guns. They were armed with battleships " October Revolution and Sevastopol, the new cruisers Kirov and Maxim Gorky, the old cruisers Krasny Kavkaz and Krasny Krym, leaders, all destroyers of projects 7 and 7U, river monitors, boats of all types, gunboats and even fishing ships. Almost all DShKs were installed on pedestals, but during the war, domestic designers developed other types of DShK anti-aircraft and rifle installations.

Modifications

Modifications of the pedestal installation with DShK include the two-machine gun installation DShKM-2, which was intended for destroyers of the Ognevoy and patrol ships"Hawk" type.

Especially for armored boats of projects 1124, 1125, at the beginning of 1943, TsKB-19 designed a 12.7-mm twin mount DShKM-2B, in which 2 DShK machine guns were placed in a closed turret mount with a turret armor thickness of about 10 mm.

For torpedo, patrol and other types of boats, turrets MTU-2, MSTU and 2-UK were designed. All of them open type, there were no guidance mechanisms, and the aiming was carried out by the shooter manually. The DShK machine guns in almost all ship installations did not have significant design differences. Cooling of the barrels is only air (of course, liquid would be more efficient), and the sights of all installations (except for the turret) are annular foreshortening. Well, and, accordingly, the guidance drives are manual.

Grade

The machine gun has a fairly high rate of fire, which determines the effectiveness of fire on fast moving targets. Maintaining a high rate of fire, despite the increase in caliber, was facilitated by the introduction of a buffer device in the butt plate of the machine gun. The elastic buffer also softens the blows of the moving system in the rearmost position, which favorably affects the survivability of parts and accuracy of fire. In general, installations based on the DShK proved to be remarkable even after the Great Patriotic War. In Czechoslovakia in the early 1950s. An extremely powerful M53 anti-aircraft machine gun was developed, armed with four DShKM machine guns, the next modification of the DShK.

DShK (Index GRAU - 56-P-542) - easel heavy machine gun chambered for 12.7 × 108 mm. Developed on the basis of the design of the DK heavy machine gun. In February 1939, the DShK was adopted by the Red Army under the designation "12.7 mm heavy machine gun Degtyarev - Shpagin model 1938".

Shooting from a DShK machine gun - video

With the start in 1925 of work on a machine gun with a caliber of 12-20 millimeters, it was decided to create it on the basis of a magazine-fed light machine gun in order to reduce the mass of the machine gun being created. Work began in the design bureau of the Tula Arms Plant on the basis of a 12.7-mm Vickers cartridge and on the basis of the German Dreyse machine gun (P-5). The design bureau of the Kovrov Plant was developing a machine gun based on the Degtyarev light machine gun for more powerful cartridges. A new 12.7-mm cartridge with an armor-piercing bullet was created in 1930, and at the end of the year the first experimental heavy machine gun Degtyarev with a Kladov disk magazine with a capacity of 30 rounds was assembled. In February 1931, after testing, preference was given to the DK ("Large-caliber Degtyarev") as easier to manufacture and lighter. DK was put into service, in 1932 the production of a small series was at the plant. Kirkizha (Kovrov), however, in 1933 they fired only 12 machine guns.

Military tests did not live up to expectations. In 1935, the production of the Degtyarev heavy machine gun was stopped. By this time, a version of the DAK-32 had been created with a Shpagin receiver, but tests of 32-33 showed the need to refine the system. Shpagin in 1937 redid his version. A drum feed mechanism was created that did not require significant changes to the machine gun system. The machine gun, which has a belt feed, passed field tests on December 17, 1938. On February 26 of the following year, by a decision of the Defense Committee, they were adopted under the designation “12.7-mm easel machine gun mod. 1938 DShK (Degtyarev-Shpagin large-caliber) "which was installed on the Kolesnikov universal machine. Work was also underway on the DShK aircraft installation, but it soon became clear that a special heavy-caliber aircraft machine gun was needed.

The work of machine gun automation was carried out due to the removal of powder gases. The closed-type gas chamber was located under the barrel, and was equipped with a pipe regulator. The barrel along the entire length had ribs. The muzzle was equipped with a single-chamber active type muzzle brake. By diluting the lugs of the bolt to the sides, the bore was locked. The ejector and reflector were assembled in the gate. A pair of spring shock absorbers of the butt plate served to soften the impact of the moving system and give it an initial roll impulse. The reciprocating mainspring, which was put on the gas piston rod, actuated the percussion mechanism. The trigger lever was blocked by a safety lever mounted on the butt plate (setting the fuse - forward position).

Food - tape, supply - on the left side. Loose tape, having semi-closed links, was placed in a special metal box, fixed on the left side of the machine arm. The bolt carrier handle actuated the DShK drum receiver: while moving backward, the handle bumped into the fork of the swinging feeder lever and turned it. The pawl located at the other end of the lever turned the drum 60 degrees, the drum, in turn, pulled the tape. There were four cartridges in the drum at the same time. During the rotation of the drum, the cartridge was gradually squeezed out of the tape link and fed into the receiving window of the receiver. Moving forward shutter picked it up.

The folding frame sight, used for firing at ground targets, had a notch up to 3.5 thousand m in increments of 100 m. The marking of the machine gun included the stigma of the manufacturer, the year of manufacture, the serial number (series designation is two-letter, the serial number of the machine gun) . The stamp was placed in front of the butt plate on top of the receiver.

During operation with the DShK, three types of anti-aircraft sights were used. The annular remote sight of the 1938 model was intended to destroy air targets flying at speeds up to 500 km / h and at a distance of up to 2.4 thousand meters. The sight of the 1941 model was simplified, the range decreased to 1.8 thousand meters, but the possible speed of the target being destroyed increased (in the "imaginary" ring it could be 625 kilometers per hour). The sight of the 1943 model of the year was of the foreshortening type and was much easier to use, but allowed firing at various target courses, including pitching or diving.

The Kolesnikov universal machine of the 1938 model was equipped with its own loading handle, had a removable shoulder pad, a cartridge box bracket, and a rod-type vertical aiming mechanism. Ground targets were fired from a wheeled course, while the legs were folded. For firing at air targets, the wheel drive was separated, and the machine was laid out in the form of a tripod.

A 12.7 mm cartridge could have an armor-piercing bullet (B-30) of the 1930 model, an armor-piercing incendiary (B-32) of the 1932 model, sighting and incendiary (PZ), tracer (T), sighting (P), against anti-aircraft targets used an armor-piercing incendiary tracer bullet (BZT) of the 1941 model. The armor penetration of the B-32 bullet was 20 millimeters normal from 100 meters and 15 millimeters from 500 meters. The BS-41 bullet, with a tungsten carbide core, was capable of penetrating 20 mm armor plate at an angle of 20 degrees from a range of 750 meters. The dispersion diameter during firing at ground targets was 200 millimeters at a distance of 100 meters.

The machine gun began to enter the troops in the 40th year. In total, in 1940, plant No. 2 in Kovrov produced 566 DShKs. In the first half of the year 41 - 234 machine guns (in total, in 1941, with a plan of 4 thousand DShKs, about 1.6 thousand were received). In total, as of June 22, 1941, the units of the Red Army had about 2.2 thousand heavy machine guns.

From the first days of the Second World War, the DShK machine gun proved to be excellent as an anti-aircraft weapon. So, for example, on July 14, 1941, on the Western Front in the Yartsevo region, a platoon of three machine guns shot down three German bombers, in August, near Leningrad, in the Krasnogvardeisky region, the Second Anti-Aircraft Machine Gun Battalion destroyed 33 enemy aircraft. However, the number of 12.7 mm machine gun mounts was clearly not enough, especially given the significant enemy air superiority. As of September 10, 1941, there were 394 of them: in the Oryol zone air defense- 9, Kharkov - 66, Moscow - 112, on the Southwestern Front - 72, Southern - 58, Northwestern - 37, Western - 27, Karelian - 13.

Since June 1942, the staff of the anti-aircraft artillery regiment of the army included a DShK company, which was armed with 8 machine guns, and from February 43, their number increased to 16 pieces. The anti-aircraft artillery divisions of the RVGK (zenad) formed since November 42 had one such company in the regiment of small-caliber anti-aircraft artillery. Since the spring of 1943, the number of DShKs in zenad has decreased to 52 units, and according to the 44th state updated in the spring, zenad had 48 DShKs and 88 guns. In 1943, the cavalry, mechanized and tank corps introduced regiments of small-caliber anti-aircraft artillery (16 DShK and 16 guns).

US infantrymen firing DShKM on Romanian URO VAMTAC during joint US-Romanian maneuvers, 2009

Typically, anti-aircraft DShKs were used in platoons, often introduced into medium-caliber anti-aircraft batteries, using them to cover against air attacks from low altitudes. Anti-aircraft machine gun companies, armed with 18 DShKs, were introduced into the state at the beginning of 1944 rifle divisions. During the entire war, the loss of heavy machine guns amounted to about 10 thousand pieces, that is, 21% of the resource. It was the smallest percentage of losses in the entire system. small arms, however, it is comparable to the losses in anti-aircraft artillery. This already speaks of the role and place of heavy machine guns.

In 1941, with the approach of German troops to Moscow, backup plants were identified in case plant No. 2 stopped producing weapons. The production of DShK was delivered in the city of Kuibyshev, where 555 fixtures and machine tools were transferred from Kovrov. As a result, during the war, the main production was in Kovrov, and in Kuibyshev - "backup".

In addition to easel, used self-propelled units with DShK - mainly M-1 pickups or GAZ-AA trucks with a DShK machine gun installed in the back in anti-aircraft position on the machine. Anti-aircraft light tanks on the T-60 and T-70 chassis did not advance further than the prototypes. The same fate befell the integrated installations (although it should be noted that the built-in 12.7-mm anti-aircraft installations were used to a limited extent - for example, they served in the air defense of Moscow). The failures of the installations were associated, first of all, with the power supply system, which did not allow changing the direction of the tape feed. But the Red Army successfully used 12.7-mm American quad mounts of the M-17 type based on the M2NV Browning machine gun.

The "anti-tank" role of the DShK machine gun, which received the nickname "Dushka", was insignificant. The machine gun was used to a limited extent against light armored vehicles. But the DShK became a tank one - it was the main armament of the T-40 (amphibious tank), BA-64D (light armored car), in the 44th year, a 12.7-mm turret anti-aircraft gun was installed on heavy tank IS-2, and later on heavy self-propelled guns. Anti-aircraft armored trains were armed with DShK machine guns on tripods or pedestals (during the war, up to 200 armored trains operated in the air defense forces). DShK with a shield and a folded machine could be dropped to partisans or landing forces in a UPD-MM parachute bag.

The fleet began to receive DShKs in 1940 (there were 830 of them at the beginning of the Second World War). During the war, the industry transferred 4018 DShKs to the fleet, another 1146 were transferred from the army. In the navy, anti-aircraft DShKs were installed on all types of ships, including mobilized fishing and transport ships. They were used on a twin single pedestal, tower, turret installations. Pedestrian, rack and tower (paired) installations for DShK machine guns, adopted for service navy, developed by I.S. Leshchinsky, designer of plant No. 2. The pedestal installation allowed for circular firing, vertical guidance angles ranged from -34 to +85 degrees. In 1939 A.I. Ivashutich, another Kovrov designer, developed a twin pedestal mount, and later the DShKM-2, which appeared later, gave a circular fire. The vertical guidance angles ranged from -10 to +85 degrees. In 1945, the twin deck installation 2M-1, which has an annular sight, was adopted. The twin turret mount DShKM-2B, created in TsKB-19 in 1943, and the ShB-K sight made it possible to conduct circular fire at vertical guidance angles from -10 to +82 degrees.

For boats of various classes, open twin turrets MSTU, MTU-2 and 2-UK were created with pointing angles from -10 to +85 degrees. The "sea" machine guns themselves differed from the base sample. So, for example, in the turret version, a frame sight was not used (only an annular one with a front sight was used), the bolt carrier handle was lengthened, and the hook was changed for the cartridge box. The differences between machine guns for twin mounts were in the design of the butt plate with the frame handle and trigger lever, the absence of sights, and fire control.

The German army, which did not have a full-time heavy machine gun, willingly used the captured DShK, which received the designation MG.286 (r).

At the end of the Second World War, Sokolov and Korov carried out a significant modernization of the DShK. The changes primarily affected the power supply system. In 1946, a modernized machine gun under the DShKM brand was put into service. The reliability of the system has increased - if at the DShK according to the specifications 0.8% delays were allowed during firing, then at the DShKM this figure was already 0.36%. The DShKM machine gun has become one of the most widespread in the world.

Production

Iran: licensed production at the Defense Industries Organization under the symbol MGD;

PRC: former manufacturer, produced under the Type 54 index;

Pakistan: Manufactured by Pakistan Ordnance Factories as Type 54;

Romania: as of the beginning of 2015, DShKM is produced at the Kudzhirsky Mechanical Plant enterprise (a branch of Romarm) in the city of Kudzhir;

USSR: former manufacturer;

Czechoslovakia: produced under the designation TK vz. 53 (Těžký kulomet vzor 53);

Yugoslavia: former manufacturer

DShK converted into a single-shot sniper rifle

In service

DShKM was or is in service with more than 40 armies of the world, was produced in China (Type 54), is produced in Pakistan, Iran and some other countries. The DShKM machine gun was used as an anti-aircraft gun on Soviet tanks post-war period(T-55, T-62) and on armored vehicles (BTR-155). At present, the DShK and DShKM machine guns have been almost completely replaced in the Russian Armed Forces. heavy machine guns"Cliff" and "Kord", more advanced and modern.

The performance characteristics of the DShK

Adopted: 1938
- Constructor: Georgy Semenovich Shpagin, Vasily Alekseevich Degtyarev
- Designed: 1938
- Manufacturer: Tula Arms Plant
- Options: DShKT, DShKM

DShK machine gun weight

33.5 kg (body); 157 kg (on a wheeled machine)

DShK machine gun dimensions

Length, mm: 1625 mm
- Barrel length, mm: 1070 mm

DShK machine gun cartridge

12.7×108 mm

DShK machine gun caliber

DShK machine gun rate of fire

600-1200 rounds / min (anti-aircraft mode)

DShK machine gun bullet speed

Sighting range of the DShK machine gun

3500 meters

Work principles: removal of powder gases
Gate: sliding lugs locking
Type of ammunition: cartridge belt for 50 rounds
Aim: open/optical.

Photo DShK

Anti-aircraft machine gun DShKM on the T-55 tank

Anti-aircraft installation (three 12.7-mm DShK machine guns) in the center of Moscow, on Sverdlov Square (now Teatralnaya). The Metropol Hotel is visible in the background.

Crew members torpedo boat TK-684 Red Banner Baltic Fleet posing against the background of the aft turret of a 12.7-mm DShK machine gun

Anti-aircraft gunners of the armored train "Zheleznyakov" (armored train No. 5 of the Coastal Defense of Sevastopol) with 12.7-mm DShK heavy machine guns (machine guns mounted on naval bollards). 76.2-mm guns of 34-K ship turrets are visible in the background