ADVANCED ARMAMENT COMPANY 64178 Blackout Muzzle Brake 30 Cal 5/8"-24 tpi, Black Steel, for AAC 51T Suppressors $97.99
ADVANCED ARMAMENT COMPANY 64725 Blackout Flash Hider 30 Cal (7.62mm) 5/8"-24 tpi, Black Steel, Standard Socket, for AAC 51T Suppressors $77.99