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Bolt Carrier Groups

Bolt Carrier Groups

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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

    Was: $129.98
    Sale Price: $89.98
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    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 Cam...
    Was: $129.98
    Sale Price: $89.98
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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 BCG AR15 Complete Bolt Carrier Group w/Hammer EXO Coated Nickel Finish

    FailZero

    Was: $149.98
    Sale Price: $99.98
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    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...
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    CMMG AR15/M4 Bolt Assembly
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    CMMG AR15/M4 Bolt Assembly

    CMMG

    Was: $79.98
    Sale Price: $59.98
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    Platform
    AR15/M4
    Origin
    Made in USA
    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. Specifications: Bolt:...
    Was: $79.98
    Sale Price: $59.98
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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

    FailZero

    Was: $185.00
    Sale Price: $99.98
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    Caliber
    5.56mm
    Platform
    M16/M4
    Finish
    EXO Nickel Boron Coated
    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...
    Was: $185.00
    Sale Price: $99.98
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  • Out of stock
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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

    FailZero

    Was: $120.00
    Sale Price: $99.98
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    Caliber
    .223/5.56mm
    Platform
    M16/M4
    Finish
    EXO Nickel Boron Coated
    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 quality...
    Was: $120.00
    Sale Price: $99.98
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    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

    Was: $249.98
    Sale Price: $149.98
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    Caliber
    7.62mm
    Origin
    Made in USA
    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...
    Was: $249.98
    Sale Price: $149.98
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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

    CMC

    Was: $129.98
    Sale Price: $99.98
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    Caliber
    5.56mm
    Origin
    Made in USA
    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...
    Was: $129.98
    Sale Price: $99.98
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    Wilson Combat Bolt Carrier features a drop in fit for any quality 5.56 case head based AR rifle. Precision machined from Carpenter 158, shot peened for increased strength and includes a tool steel extractor and ejector, appropriate extractor spring, and randomly batch HPT (High Pressure Tested). *Note- The only difference between "semi-auto" and "full-auto" carriers are the carrier weight and external profile. The "full-auto" carrier is slightly heavier to provide more mass and lower cyclic rate that can benefit carbine length and shorter gas systems, short barreled/suppressed rifles and machine guns. The "semi-auto" carrier is slightly lighter to provide the least amount of recoil impulse for rifle length gas systems and its design makes reinstalling the firing pin easier after cleaning. Both carrier types are considered completely interchangeable.
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    Wilson Combat BCG Bolt Carrier Group AR15/M16 Mil-Spec

    Wilson Combat

    Was: $185.00
    Sale Price: $139.98
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    Caliber
    5.56mm
    Finish
    Parkerized
    Manufactured by our finest domestic Mil-Spec contractors these are among the best 5.56 AR rifle bolts on the market and the same bolts we use as the basis of our renowned custom rifles. Our bolt is precision machined from Carpenter No. 158 steel, shot...
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    Sale Price: $139.98
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    Aero Precision 5.56 Bolt Carrier Group

    Aero Precision 5.56 Bolt Carrier Group

    Price: $165.00
    Caliber
    5.56mm
    Features:  M16-cut carrier Machined from 8620 steel Carrier has forward assist serrations Mil-Spec phosphate coating Properly staked gas key Chrome lined gas key and bolt channel 5.56 Bolt is machined from Carpenter 158 tool steel Shot peened HPT...
    Price: $165.00
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  • FailZero M16/M4 Bolt Carrier Group, EXO Nickel Boron Coated, No Hammer, Nickel Finish
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    FailZero M16/M4 Bolt Carrier Group, EXO Nickel Boron Coated, No Hammer, Nickel Finish

    FailZero

    Price: $128.99
    The FailZero FZ-M16-NH is a fully assembled, drop-in ready M16/M4 Bolt Carrier Group coated in FailZero's patented EXO Nickel Boron technology — the most advanced bolt carrier group coating in the industry. When failure is not an option, FailZero...
    Price: $128.99
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    FosTech BCG Complete Bolt Carrier Group

    FosTech BCG Complete Bolt Carrier Group

    FosTech

    Price: $99.98 - $199.98
    This is a standard full-auto M16 cut bolt carrier group. It is designed to function with the Echo AR-II and the Echo Sport. Bolt Assembly Bolt: Shot Peened; Magnetic Particle Inspected and Marked Bolt Material: 9310 Alloy Steel Compatibility: .223 /...
    Price: $99.98 - $199.98
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  • Simunition 5.56mm Conversion Bolt Kit for AR15/M4/M16 Rifles

    Simunition 5.56mm Conversion Bolt Kit for AR15/M4/M16 Rifles

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    The Simunition 5.56mm Conversion Kit is a drop in conversion intended for use with the AR15/M4/M16 and C7/C8 rifle series. The safe use of Simunition® 5.56 mm reduced energy Cartridges in the M16/M4 and C7/C8 weapons requires the installation of a...
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  • Spikes Tactical M16/AR15 5.56 Steel Bolt Carrier Group
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    Spikes Tactical M16/AR15 5.56 Steel Bolt Carrier Group

    Price: $139.99
    Caliber
    5.56mm
    Spikes Tactical BCG is a great choice for the discerning marksman. The carrier group is made from Mil-Spec 8620 tool steel, and features a shrouded firing pin. Finished inside and out with a 5.3.1.2 MIL-STD-171 phosphate finish, and also has a hard...
    Price: $139.99
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  • FailZero AR-15 Bolt Carrier Group, EXO Nickel Boron Coated, Black Finish, No Hammer
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    FailZero AR-15 Bolt Carrier Group, EXO Nickel Boron Coated, Black Finish, No Hammer

    FailZero

    Price: $148.99
    The FailZero FZ-AR15-01-NH-BLACK is the black finish variant of FailZero's industry-leading EXO Nickel Boron Bolt Carrier Group, purpose-built for mil-spec AR-15 upper receivers chambered in 5.56x45mm NATO, .223 Remington, and .300 Blackout. Combining...
    Price: $148.99
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  • Out of stock
    FailZero 7.62x39 Bolt Carrier Group, EXO Nickel Boron Coated, No Hammer

    FailZero 7.62x39 Bolt Carrier Group, EXO Nickel Boron Coated, No Hammer

    FailZero

    Price: $169.98
    The FailZero FZ-7.62X39-01-NH is a fully assembled, drop-in ready 7.62x39 Bolt Carrier Group coated in FailZero's patented EXO Nickel Boron technology and purpose-built for AR-15 platform rifles chambered in 7.62x39mm Soviet. This is the BCG that takes...
    Price: $169.98
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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.