BCG Bolt Carrier Groups


BCG Bolt Carrier Groups are essential components for AR15 and M16/M4 rifles, ensuring reliable operation and smooth cycling. These groups come in various finishes such as Nickel Boron, Black Nitride, and EXO Coating, providing enhanced durability and reduced friction for optimal performance. Brands like FailZero, Noveske, and Wilson Combat offer top-quality BCG assemblies that are trusted by professionals and enthusiasts alike. Whether you are building a new rifle or upgrading your current setup, BCG Bolt Carrier Groups are a must-have for anyone looking to maximize their rifle’s potential. Choose from a wide selection of options to find the perfect fit for your needs.
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    The Noveske Bolt Carrier Group features a full auto carrier with a staked gas key. The bolt is machined from 158 Carpenters Steel. The bolt is then Shot peened and MP tested to ensure years of rugged use without fail. Mil-Spec bolt face works for standard cartridges, such as 5.56mm, 300 Blackout and 22 Nosler.
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    Noveske BCG Bolt Carrier Groups

    Noveske

    Now: $129.98
    Was: $179.98
    The Noveske Bolt Carrier Group features a full auto carrier with a staked gas key. The bolt is machined from 158 Carpenters Steel. The bolt is then Shot peened and MP tested to ensure years of rugged use without fail. Mil-Spec bolt face works for...
    Now: $129.98
    Was: $179.98
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    USGI Mil-Spec BCG Complete Bolt Carrier Group
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    USGI Mil-Spec BCG Complete Bolt Carrier Group

    USGI

    Now: $89.98
    Was: $129.98
    Specifications: 100% Mil-Spec Genuine USGI Production 5.56mm / 300 Blockout Bolt: Carpenter 158, MARKED "M" for HPT & MPI Lot tested. Carrier: 8620 Full-auto M16/M4 cut Chrome Lined Gas Key & Carrier Phosphate Finish Dry Film...
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    Was: $129.98
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    CMMG AR15/M4 Bolt Assembly CMMG AR15/M4 Bolt Assembly
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    CMMG AR15/M4 Bolt Assembly

    CMMG

    Now: $59.98
    Was: $79.98
    High quality components and precise manufacturing make CMMG parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on...
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    Was: $79.98
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    FailZero, Bolt Carrier Group With Hammer, Completely Assembled, EXO Coated, Fits AR-15, Nickel Finish. This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance. FailZero, Bolt Carrier Group With Hammer, Completely Assembled, EXO Coated, Fits AR-15, Nickel Finish. This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance.
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    FailZero BCG AR15 Complete Bolt Carrier Group w/Hammer EXO Coated Nickel Finish

    FailZero

    Now: $99.98
    Was: $149.98
    This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and...
    Now: $99.98
    Was: $149.98
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    FailZero Bolt Assemblies EXO Nickel Boron Finish FailZero Bolt Assemblies EXO Nickel Boron Finish
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    FailZero Bolt Assemblies EXO Nickel Boron Finish

    FailZero

    Now: $59.98
    Was: $85.00
    This fully assembled and NiB coated (5.56/.223) bolt assembly is compatible with most mil spec AR15, M16, M4 Carriers. EXO Nickel Boron provides permanent dry lubricity; increased wear and corrosion resistance. By reducing friction this bolt assembly...
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    Was: $85.00
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    On Sale
    FailZero, M16/M4 Bolt Carrier Group, No Hammer, Completely Assembled, EXO Nickel Boron Coated, Nickel Finish This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance. FailZero, M16/M4 Bolt Carrier Group, No Hammer, Completely Assembled, EXO Nickel Boron Coated, Nickel Finish This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance.
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    FailZero BCG M16/M4 Complete Bolt Carrier Group EXO Nickel Boron Coated

    FailZero

    Now: $99.98
    Was: $169.99
    FailZero, M16/M4 Bolt Carrier Group, No Hammer, Completely Assembled, EXO Nickel Boron Coated, Nickel Finish This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. All critical parts...
    Now: $99.98
    Was: $169.99
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  • On Sale
    This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance. This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance.
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    FailZero BCG AR15 Complete Bolt Carrier Group EXO Nickel Boron

    FailZero

    Now: $99.98
    Was: $169.99
    FailZero, AR15 Bolt Carrier Group, No Hammer, EXO Nickel Boron Coated, Black Finish Nickel Boron treated Extreme durability Dry lubricity Corrosion resistant This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil...
    Now: $99.98
    Was: $169.99
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    FailZero M16/M4 Full Auto Hammers
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    FailZero M16/M4 Full Auto Hammers

    FailZero

    $24.95
    A Nickel Boron coated Semi-Auto Hammer for your AR15 This EXO coated, single-stage, semi-auto hammer provides a permanently lubricious surface for extreme durability, increased wear and corrosion resistance. This hammer will fit most small pin lowers...
    $24.95
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    FailZero BCG M16/M4 Complete Bolt Carrier Group w/Hammer EXO Coated Nickel Finish FailZero BCG M16/M4 Complete Bolt Carrier Group w/Hammer EXO Coated Nickel Finish
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    FailZero BCG M16/M4 Complete Bolt Carrier Group w/Hammer EXO Coated Nickel Finish

    FailZero

    Now: $99.98
    Was: $185.00
    This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and...
    Now: $99.98
    Was: $185.00
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    CMC BCG Bolt Carrier Group Enhanced .223/5.56mm .300 Blackout Black Nitride 8620 Steel AR15 CMC BCG Bolt Carrier Group Enhanced .223/5.56mm .300 Blackout Black Nitride 8620 Steel AR15
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    CMC BCG Bolt Carrier Group Enhanced .223/5.56mm .300 Blackout Black Nitride 8620 Steel AR15

    CMC

    Now: $99.98
    Was: $129.98
    CMC AR15 BOLT CARRIER GROUP SUPPRESSOR OPTIMIZED, MIL-SPEC, NITRIDE - 5.56/223/300 BLACKOUT CMC Triggers Enhanced Bolt Carrier Group was designed for shooters who demand superior performance weapon components in the heart of their firearm. CMC proudly...
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    Was: $129.98
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    FailZero BCG M16/M4 Complete Bolt Carrier Group Black Nitride Coated FailZero BCG M16/M4 Complete Bolt Carrier Group Black Nitride Coated
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    FailZero BCG M16/M4 Complete Bolt Carrier Group Black Nitride Coated

    FailZero

    Now: $99.98
    Was: $120.00
    FailZero, M16/M4 Bolt Carrier Group, No Hammer, Black Nitride Coated, Black Finish High quality components and precise manufacturing make FailZero parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build...
    Now: $99.98
    Was: $120.00
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    CMC BCG Bolt Carrier Group Enhanced 7.62mm Black Nitride 8620 Steel AR15 CMC BCG Bolt Carrier Group Enhanced 7.62mm Black Nitride 8620 Steel AR15
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    CMC BCG Bolt Carrier Group Enhanced 7.62mm Black Nitride 8620 Steel AR15

    CMC

    Now: $149.98
    Was: $249.98
    CMC AR10 BOLT CARRIER GROUP SUPPRESSOR OPTIMIZED, MILSPEC, BLACK NITRIDE - .308 CMC Triggers Enhanced Bolt Carrier Group was designed for shooters who demand superior performance weapon components in the heart of their firearm. CMC proudly manufactures...
    Now: $149.98
    Was: $249.98
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