SJC «Vintorez», HSC-94, AC «Shaft», A-91, OC-14 "Groza"
Beg. bullet speed, m / s
Muzzle energy bullets, J.
bullet weight, g
Sometimes 20 meters effective range is quite insufficient, and you can not make noise. Middle-distance (up to 300-400 meters) circuit with gas otsechkoy, in SP-3, SP-4, it becomes unacceptable, and only the above scheme "subsonic cartridge can work here + muffler".
In the USSR, the cartridge "FF" was created on the basis of a standard cartridge 7.62h39mm (reduced speed) with a heavy 12-gram bullet. This cartridge was designed for use in the ATM with PBS (silencer unit, it - muffler). On the basis of this cartridge in the 80s cartridge SP-5kalibra it was designed 9mm.
The sleeve holder is a sleeve on the chuck 7.62h39mm, to dulcitol, pereobschatym a 9mm bullet. Cartridge AC-5 is a sniper, i.e. it made with high precision and has a 16-gram shell with a steel core bullet, surrounded by lead.
Speed bullet is fired from a sniper rifle special BCC "Vintorez" or automaton AS "Val" of 280-300 m / s. Muzzle energy - 600-700 J..