AR-15/M16 Bolt Carrier Group
Mil Spec bolt carrier group, made in the USA by Brownells.
This 5.56 Complete Bolt Carrier Group is constructed with a bolt made from 9310 steel, which is finished with a heat treatment and shot peening and then Magnetic Particle Inspected (MPI).
The carrier is fabricated from 8620 hardened steel.
Each element of the bolt-carrier group is finished in a black-nitride coating.
Gas Key Screws are properly torqued and staked.
This is a premium quality BCG at a realistic price.
This 5.56 Complete Bolt Carrier Group is constructed with a bolt made from 9310 steel, which is finished with a heat treatment and shot peening and then Magnetic Particle Inspected (MPI).
The carrier is fabricated from 8620 hardened steel.
Each element of the bolt-carrier group is finished in a black-nitride coating.
Gas Key Screws are properly torqued and staked.
This is a premium quality BCG at a realistic price.
