USED TRYBE Defense AR-15 5.56 Complete Bolt Carrier Group BCG High-Polished Metallic Chrome Nitride BCG556-MC

USED TRYBE Defense AR-15 5.56 Complete Bolt Carrier Group BCG High-Polished Metallic Chrome Nitride BCG556-MC. This fully assembled Bolt Carrier Group BCG from TRYBE Defense includes the bolt bolt carrier gas key firing pin cam pin and firing pin retaining pin. Every Bolt is High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI) before making its way to our loyal TRYBE. The M16 Nickel Boron Bolt Carrier Group BCG is machined from ultra-durable and corrosion-resistant 8620 steel and har