White Label Armory BCG 5.56 Nitride CoatedThe White Label Armory M16 Bolt Carrier Group in 5. 56 NATO is engineered for unmatched reliability and premium performance. Featuring a precision ground carrier machined from 8620 steel and treated with H&M's Blacknitride+ finish, this BCG delivers exceptional surface hardness, corrosion resistance, and smooth operation. The 9310 steel bolt is shot peened, heat treated, and MPI tested for maximum strength and durability. Additional performance
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