Black Rifle Arms® In-Depth Videos on our Various Piston Systems


C.A.P.S. (Combat Adaptive Piston System) Assembly and Disassembly Overview:


L.P.R. (Low Profile Regulated) Assembly and Disassembly Overview:


300 BLACKOUT Low Profile Assembly and Dissaembly Overview:


Low Profile Piston System Assembly and Disassembly Overview: