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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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    Customer Reviews

    Based on 2 reviews
    Roger R. Roger
    Works great

    Nice BCG for the money, no issues here

    Liberato Iannone L.I. Liberato I.
    Bolt jams

    Bolt gets jammed easily Multiple times with many different types of ammo and clips made of metal and plastic. Had to use a small hammer on the driver to retract bolt. Oiled it well before using it and it appeared to move easily but when ammo placed it jammed forward and would not push bullet into chamber fully.