JP Enterprises FMOS Large-Frame (.308) Bolt Carrier Group with Extra HP Bolt Head
JP Enterprises Full Mass Operating System (FMOS) large-frame bolt carrier setup for .308 Win./7.62x51 AR platforms. The JPBC-5 carrier is stainless steel with a QPQ black finish and incorporates forward assist serrations for compatibility with large-frame .308 AR platforms.
This unit includes an additional bolt head marked "HP" (59564-1-6 HP), matching JP’s high-pressure bolt configuration.