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    AT3 Tactical partnered with the best BCG manufacturer in the industry - Toolcraft Inc - to produce this Top-Tier Black Nitride Bolt Carrier Group.

    It features a black salt bath nitride finish, MPI/HPT inspected bolt, properly staked grade 8 gas key screws, and an unconditional lifetime warranty.

    The black nitride finish features excellent hardness and lubricity, which means this BCG is durable, easy to clean, and less reliant on lubrication when compared to mil-spec phosphate coating

    The bolt carrier group is the workhorse of your rifle, and a quality BCG is critical to reliable rifle function. Get a bolt carrier group that is guaranteed to last a lifetime.

    Made in the USA

    Specifications: 

    • Caliber: .223/5.56/.300 Blackout
    • Finish type: Black salt bath Nitride
    • Carrier Type: M16 Auto (Ideal for AR-15)
    • Carrier Material: 8620 Gun Steel
    • Gas Key Material: 4130 Steel
    • Gas Key Screws: Grade 8
    • Bolt Material: HPT/MPI tested 9310 Steel. Shot-peened for added strength
    • Extractor Material: D2 Tool Steel
    • Cam Pin Material: 8620 Steel
    • Firing Pin Material: 416 Stainless Steel
    • Mil-Spec O-Ring and Gas Rings

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    Customer Reviews

    Based on 1 review
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    J
    JOHN H J.H. JOHN H.
    AR-15 BCG

    Nitride BCG excellent price. Very nice product. Easy to clean.