The 9mm assault rifle AS (index 6П30) is an automatic firearm, its automatic operation is based on the work of the energy of powder gases which leak out of the barrel bore to the gas chamber, barrel bore locking is provided with the bolt turning round its longitudinal axis at 6 locking lugs.
The assault rifle AS is designed to use a special 9-mm cartridge (SP6). It is intended for a noiseless and flameless shooting at a distance of 400 m. The assault rifle is intended to engage the enemy man power protected with fragmentation bulletproof vests and the non-armoured vehicles.
The design features of the assault rifle AS are:
high characteristics in the accuracy of fire and closely-grouped fire are achieved due to an original design of the assault rifle barrel;
high hitting is guarantied due to the subsonic velocity of a bullet (noiseless shooting is possible);
a silencer is an assault rifle integral part, its design provides a no replacement usage during the assault rifle service life.
a folding metal buttstock and quick detachable silencer make it possible to reduce assault rifle dimensions;
mounting seats for optical and night sights;
absolute safe handling is guarantied with safeties;
The main type of assault rifle shooting is automatic. A cartridge feeding is provided out of a detachable double-column sector magazine with the cartridges located in a chess-board order. The magazines are interchangeable.
Cartridges types used for the assault rifle AS shooting:
SP6 - 9-mm armour-piercing cartridge;
SP5 - 9-mm sniper cartridge.
7H12 – 9x39 mm armour-piercing cartridge;
7H9 – 9x39 mm sniper cartridge with advanced penetration.