A BCG (bolt carrier group) is a critical component in AR-15, AR-10, and similar rifles, responsible for cycling, chambering, extraction, and firing. It includes the bolt, carrier, gas key, firing pin, cam pin, and retaining pin. The BCG works with the upper receiver, barrel, charging handle, and lower receiver, ensuring reliable operation and proper function. It’s essential for building, upgrading, or maintaining AR-platform rifles in calibers like 5.56 NATO, .223, .308, and 9mm.
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  • WMD AR-15 NIB-X Nickel Boron BCG Bolt Carrier Group Without Hammer Polished

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    Elevate your AR-15’s performance with the WMD Guns AR-15 NIB-X Nickel Boron BCG. Engineered to military-grade standards, this bolt carrier group features a NiB-X nickel boron coating for exceptional durability…

    Original price was: $170.00.Current price is: $159.95.

    In stock

  • Spikes Tactical M16 Auto Nickel Boron Bolt Carrier Group

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    Elevate your AR-15 rifle’s performance with the Spikes Tactical M16 Auto Nickel Boron Bolt Carrier Group. This complete BCG is MPI and HPT tested for durability, with 8620 steel construction…

    Original price was: $225.00.Current price is: $202.95.

    In stock

  • WMD Guns 308 / AR-10 Complete Bolt Carier Group Polished

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    Elevate your .308 or 7.62×51 AR-10 rifle with the WMD Guns 308 / AR-10 Complete BCG. Engineered with DPMS compatibility in mind, this top-quality bolt carrier group features WMD’s proprietary…

    Original price was: $259.95.Current price is: $249.95.

    Out of stock

  • Failzero EXO Nickel Boron AR-15/M-16 Low Mass Bolt Carrier Group

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    Elevate your AR-15 with the Failzero EXO Nickel Boron AR-15/M-16 Low Mass Bolt Carrier Group. Coated with a patented NIB process, this BCG offers unmatched durability and reliability. Made in…

    Original price was: $239.99.Current price is: $219.95.

    Out of stock

  • Spikes Tactical Low Mass Lightweight M16 Nickel Boron Bolt Carrier Group

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    Elevate your rifle’s performance with the Spikes Tactical Low Mass Lightweight M16 Nickel Boron Bolt Carrier Group. Constructed from 8620 steel with a Carpenter 158 steel bolt, this BCG delivers…

    Original price was: $250.00.Current price is: $225.95.

    In stock

  • WMD AR-15 NIB-X BCG Bolt Carrier Group Without Hammer Polished Black

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    Elevate your AR-15’s performance with the WMD Guns NiB-X Polished Black M16/AR-15 Full Auto Bolt Carrier Group. Engineered for high reliability and easy maintenance, this BCG features NiB-X black coating…

    Original price was: $170.00.Current price is: $157.95.

    In stock

  • WMD AR-15 NIB-X Nickel Boron BCG Without Hammer Matte

    0 out of 5

    Elevate your AR-15’s performance with the WMD AR-15 NIB-X Nickel Boron BCG Bolt Carrier Group. Manufactured to tight tolerance specifications by military defense vendors, this top-of-the-line BCG features NiB-X nickel…

    Original price was: $170.00.Current price is: $149.95.

    Out of stock

  • WMD Guns 308 / AR-10 Complete Bolt Carier Group Nitromet Black Polished

    0 out of 5

    Elevate your DPMS Pattern rifle chambered in .308 or 7.62×51 with the WMD Guns NiB-X Black Polished DPMS compatible 308 complete BCG. Coated with NiB-X for unparalleled durability and longevity,…

    Original price was: $239.95.Current price is: $219.95.

    Out of stock

  • WMD AR-15 NIB-X Nickel Boron BCG Bolt Carrier Group with Hammer Matte

    0 out of 5

    Elevate your AR-15’s performance with the WMD AR-15 NIB-X Nickel Boron BCG Bolt Carrier Group with Hammer Matte finish. Manufactured to tight tolerance specifications by military defense vendors, this top-of-the-line…

    Original price was: $174.95.Current price is: $156.95.

    Out of stock