JP Enterprises JPBC-7A Complete Bolt Carrier Assembly 308 Black

JP Enterprises Complete Bolt Carrier Assembly With Jpbc-7 Large Frame Variable Mass Carrier Jpeb-308 Jp Enhanced Bolt Jp Enhanced Cam Pin Black. Will Also Work In Dpms Lr-308 And Will Only Work With Armalite If Used As A Complete Bolt Carrier Group BCG Assembly. Parts Do Not Interchange With Armalite. (This Item Must Be Used In Combination Of A Jp Silent Captured Spring System.) Specifications for JP Enterprises Complete Bolt Carrier Assembly With Jpbc-7 Large Frame Variable Mass Carrier Jpeb-308HP/JP: Manufacturer: JP Enterprises Color: Black Gun Frame Size: Large Package Contents: JP Enterprises Complete Bolt Carrier Assembly With Jpbc-7 Large Frame Variable Mass Carrier Jpeb-308HP/JP JP Enterprises JPBC-7A: Complete Bolt Carrier Assembly With Jpbc-7 Large Frame Variable Mass Carrier Jpeb-308 Jp Enhanced Bolt Jp Enhanced Cam Pin Black