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Description
Cartridge: 5.45×39mm
Action: Gas-operated, rotating bolt
Rate of fire: 650 rounds per minute
Muzzle velocity: 890 m/s
Effective range: 500m
Feed system: 30 round magazine
The Type 85 is an assault rifle manufactured by Ningjing Munitions Factory. Entered service in early 1985, the Type 85 is a Zhouranese-built version of the AKS-74 assault rifle. The weapon was the main assault rifle of the Zhouranese People’s Army from the late 1980s until 1998.

After ignition of the cartridge primer and propellant, rapidly expanding propellant gases are diverted into the gas cylinder above the barrel through a vent near the muzzle. The build-up of gases inside the gas cylinder drives the long-stroke piston and bolt carrier rearward and a cam guide machined into the underside of the bolt carrier along with an ejector spur on the bolt carrier rail guide, rotates the bolt approximately 35° and unlocks it from the barrel extension via a camming pin on the bolt. The moving assembly has about 5.5 mm (0.2 in) of free travel which creates a delay between the initial recoil impulse of the piston and the bolt unlocking sequence, allowing gas pressures to drop to a safe level before the seal between the chamber and the bolt is broken. The Type 85 does not have a gas valve; excess gases are ventilated through a series of radial ports in the gas cylinder.

Photo courtesy of Russian Trooper . I do NOT own this image.

Description
Cartridge: 5.45×39mm
Action: Gas-operated, rotating bolt
Rate of fire: 650 rounds per minute
Muzzle velocity: 890 m/s
Effective range: 500m
Feed system: 30 round magazine
The Type 85 is an assault rifle manufactured by Ningjing Munitions Factory. Entered service in early 1985, the Type 85 is a Zhouranese-built version of the AKS-74 assault rifle. The weapon was the main assault rifle of the Zhouranese People’s Army from the late 1980s until 1998.

After ignition of the cartridge primer and propellant, rapidly expanding propellant gases are diverted into the gas cylinder above the barrel through a vent near the muzzle. The build-up of gases inside the gas cylinder drives the long-stroke piston and bolt carrier rearward and a cam guide machined into the underside of the bolt carrier along with an ejector spur on the bolt carrier rail guide, rotates the bolt approximately 35° and unlocks it from the barrel extension via a camming pin on the bolt. The moving assembly has about 5.5 mm (0.2 in) of free travel which creates a delay between the initial recoil impulse of the piston and the bolt unlocking sequence, allowing gas pressures to drop to a safe level before the seal between the chamber and the bolt is broken. The Type 85 does not have a gas valve; excess gases are ventilated through a series of radial ports in the gas cylinder.

Photo courtesy of Russian Trooper . I do NOT own this image.