Griffin Armament A2 Suppressor Optimized Buffer Black Small

Griffin Armament A2 Suppressor Optimized Buffer Black Small. Engineers of some note going back to people who worked with Eugene Stoner have held an opinion that the A2 rifle length action spring with its greater number of coils promotes smoother operation and better reliability than the carbine spring. The AR-SOB-A2 in conjunction with the Armalite AR10 Griffin AR-10 Maritime Receiver Extension or "VLTOR A5" length tube allows the 5.56mm or 300BLK AR15 to be compatible with the A2 action spring.