Description
Rise Armament RA1011NIB Bolt Carrier Group 5.56x45mm NATO Nickel Boron 4140 Steel
Rise Armament’s advanced bolt-carrier group (BCG) is manufactured with precision and individually inspected to ensure high-level performance. It is individually MPI tested and constructed of tool steel.
This model is compatible with your AR-15 and has a nickel boron finish.






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