JP Enterprises Complete JPBC Bolt Carrier Group BCG JPBC-4SP .308 Silver JPBC-4SPAHP. The JPBC-2 has every strength an operator expects from a Mil-spec. carrier matched up with improvements born from decades of shooting and engineering experience....
JP Enterprises Complete JPBC Bolt Carrier Group BCG JPBC-4SP .308 Silver JPBC-4SPAHP. The JPBC-2 has every strength an operator expects from a Mil-spec. carrier matched up with improvements born from decades of shooting and engineering experience....