162497 ⎘
Mechanisms or systems operated by propellant charge energy for automatically opening the lock gas-operated having two or more gas pistons
Gas piston and weapon
#2Bolt carrier group for direct gas impingement system
#3Gas-operated firearm with pressure compensating gas piston
#4Gas-operated firearm with pressure compensating gas piston
#5Gas cut-off system for firearms
#6Gas-operated firearm with pressure compensating gas piston
#7Gas-operated firearm
#8Gas-operated firearm