7.62 mm machine gun system Goryunova SG-43 model of 1943, characteristics, device, disassembly and assembly, shooting, manual.

can be used at distances up to 1,000 meters. Shooting from an easel machine gun is conducted by continuous fire or bursts, 10-30 rounds each.

Shooting is carried out by ammunition with bullets of the 1908 model, a light bullet, and a 1930 model, a heavy bullet. Cartridges are equipped with metal strips of 250 rounds. The tape is made up of five separate segments of 50 rounds each. Tapes are stacked in metal boxes. The 7.62 mm machine gun of the Goryunov SG-43 system of the 1943 model allows firing when loading with Maxim’s machine gun with a cloth tape.

The maximum range of a bullet of the 1908 model is up to 3 kilometers, the 1930 model is up to 5 kilometers. Air barrel cooling, allowing continuous firing of up to 500 shots. A frame-type sight that provides targeted shooting with ammunition with a light bullet of the 1908 model up to 2000 meters and a heavy bullet of the 1930 model up to 2,300 meters.

Basic data 7.62 mm machine gun system Goryunova SG-43 model 1943.

Total weight with machine 40.4 kg
Machine gun body weight 13.8 kg
Machine weight 26.6 kg
Machine gun length 1150 mm
Barrel length 720 mm
Machine length 1,300 mm
Length of machine with bent boom 1000 mm
Muzzle velocity 800 m / s
Rate of fire 500-700 rounds per minute
Practical rate of fire 300-350 rounds per minute
Sighting range 2300 m
Width of the machine 552 mm

The device and principle of operation of 7.62 mm machine gun system Goryunova SG-43 model of 1943.

The 7.62 mm machine gun of the Goryunov SG-43 system of the 1943 model is based on the principle of removal of powder gases through a transverse gas hole in the barrel. When fired, powder gases push the bullet forward, and the sleeve back. The sleeve against gas pressure is pressed firmly against the shutter cup, but the shutter cannot move backwards, since its rear supporting plane abuts against the combat ledge of the receiver.

Under gas pressure, a bullet, crashing into the rifling of the barrel channel, moves forward, and when it passes the gas hole, part of the powder gases rushes into the gas chamber, acting on the piston. Having received an impulse from the gas pressure, the piston in the gas chamber moves backward with the frame by inertia, compressing the reciprocating spring and unlocking the bore.

The movement of the moving parts of the machine gun forward is made by the force of the expanding reciprocating-fighting spring. Locking the bore is done right by tilting the shutter to the right.

7.62 mm machine gun of the Goryunov SG-43 system, model 1943, specifications, device, disassembly and assembly, shooting, manual DOWNLOAD book

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