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

    It features a mil-spec parkerized phosphate coating, chrome-lined M16-style auto carrier & gas key, MPI/HPT inspected bolt, properly staked grade 8 gas key screws, and an unconditional lifetime warranty.

    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


    • Caliber: .223/5.56/.300 Blackout
    • Carrier Type: M16 Auto (Ideal for AR-15)
    • Carrier Material: 8620 Gun Steel - Chrome lined
    • Gas Key Material: 4130 Steel - chrome lined
    • 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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