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BCG

BCG

Gas & Brass Armory offers a trusted selection of AR-15 Bolt Carrier Groups (BCGs) for your rifle builds in Brandon, FL. Whether you're looking for a reliable mil-spec BCG or a premium enhanced model, we stock top brands like Aero Precision, BCM, FailZero, and Toolcraft. Choose from phosphate, nitride, or nickel boron finishes, with full-auto and lightweight options available. All BCGs are built to perform under pressure and keep your rifle cycling reliably.

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  • FZ M16 BOLT CARRIER GROUP

    FZ M16 BOLT CARRIER GROUP

    FailZero

    MSRP: $179.93
    $132.00
    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...
    MSRP: $179.93
    $132.00
    Qty in Cart: 0
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    MSRP: $179.93
    $132.00
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  • FZ EXO FIRING PIN

    FZ EXO FIRING PIN

    FailZero

    MSRP: $18.78
    $12.00
    This EXO Nickel Boron coated firing pin provides a permanently lubricious surface for extreme durability and increased wear and corrosion resistance.MANUFACTURER: FailZeroMPN: EXO-FIRINGPIN01MODEL: 0Description: Firing PinType: Firing Pin
    MSRP: $18.78
    $12.00
    Qty in Cart: 0
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    MSRP: $18.78
    $12.00
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  • DBST BOLT REBUILD KIT

    DBST BOLT REBUILD KIT

    Doublestar Corp.

    MSRP: $37.79
    $27.00
    The bolt rebuild kit provides everything you need to rebuild your AR15 bolt.MANUFACTURER: Doublestar Corp.MPN: AR790MODEL: 0Description: Extractor, Extractor Spring/Pad/Pin, 3 Gas Rings, O-ringType: Bolt Carrier Group PartColor: Black
    MSRP: $37.79
    $27.00
    Qty in Cart: 0
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    MSRP: $37.79
    $27.00
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  • DBST BOLT CARRIER REBUILD KIT

    DBST BOLT CARRIER REBUILD KIT

    Doublestar Corp.

    MSRP: $62.99
    $45.00
    High quality components and precise manufacturing make ACE 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.MANUFACTURER: Doublestar...
    MSRP: $62.99
    $45.00
    Qty in Cart: 0
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    MSRP: $62.99
    $45.00
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  • DD BOLT CARRIER GROUP 5.56

    DD BOLT CARRIER GROUP 5.56

    Daniel Defense

    MSRP: $285.00
    $235.00
    Daniel Defense 5.56 NATO (5.56x45mm & .223 Remington) / 300 Blackout (7.6x35mm) full-auto compatible, M16 Profile, complete bolt carrier group assembly.MANUFACTURER: Daniel DefenseMPN: 04-013-19032MODEL: 556Finish: MatteType: Bolt Carrier GroupColor:...
    MSRP: $285.00
    $235.00
    Qty in Cart: 0
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    MSRP: $285.00
    $235.00
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  • CMMG BOLT CARRIER GROUP M16 556

    CMMG BOLT CARRIER GROUP M16 556

    CMMG

    MSRP: $212.31
    $161.00
    Complete Mil Spec M16 bolt carrier group.MANUFACTURER: CMMGMPN: 55BA419MODEL: 0Type: Bolt Carrier GroupColor: Black
    MSRP: $212.31
    $161.00
    Qty in Cart: 0
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    MSRP: $212.31
    $161.00
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  • CMMG BOLT CARRIER GROUP MK3 308

    CMMG BOLT CARRIER GROUP MK3 308

    CMMG

    MSRP: $305.60
    $256.00
    Complete Mk3 bolt carrier group.MANUFACTURER: CMMGMPN: 38BA423MODEL: 0Description: Bolt Carrier GroupType: Bolt Carrier GroupColor: Black
    MSRP: $305.60
    $256.00
    Qty in Cart: 0
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    MSRP: $305.60
    $256.00
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  • CMMG BCG AR15 6.5GRN/6MM ARC

    CMMG BCG AR15 6.5GRN/6MM ARC

    CMMG

    MSRP: $247.45
    $163.00
    This BCG is designed to operate with either 6.5 Grendel or Hornady's new 6mm ARC. Will not work with CMMG MkW platform. It is designed for standard AR variants.MANUFACTURER: CMMGMPN: 64BA44FMODEL: 0Description: Bolt Carrier GroupType: Bolt Carrier...
    MSRP: $247.45
    $163.00
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    MSRP: $247.45
    $163.00
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  • CMC ENHANCED BCG AR15 NTRD MIL-SPEC

    CMC ENHANCED BCG AR15 NTRD MIL-SPEC

    CMC Triggers

    MSRP: $250.74
    $180.00
    High quality components and precise manufacturing make CMC 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.MANUFACTURER: CMC...
    MSRP: $250.74
    $180.00
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    MSRP: $250.74
    $180.00
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  • BOOTLEG PHOS BOLT COMPLETION KIT

    BOOTLEG PHOS BOLT COMPLETION KIT

    Bootleg

    MSRP: $88.52
    $65.00
    Whether you're looking to complete your Bootleg, Inc. AR 15 Carrier or you like to keep extra parts on hand, this carrier completion kit has what you need. Complete your carrier with quality today!MANUFACTURER: BootlegMPN: BP-ABC-PMODEL: 0Type: Bolt...
    MSRP: $88.52
    $65.00
    Qty in Cart: 0
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    MSRP: $88.52
    $65.00
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  • BOOTLEG PHOS BOLT COMPLETION KIT 308

    BOOTLEG PHOS BOLT COMPLETION KIT 308

    Bootleg

    MSRP: $125.06
    $92.00
    Upgrade your carrier with confidence today. Additionally, by completing your Bootleg, Inc. AR 10 Carrier with the Bootleg, Inc. .308 AR Carrier Completion Kit, is an investment in a product that is designed to exceed expectations. The kit is carefully...
    MSRP: $125.06
    $92.00
    Qty in Cart: 0
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    MSRP: $125.06
    $92.00
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  • BLACK RAIN 223 BOLT CARRIER GRP LEFT

    BLACK RAIN 223 BOLT CARRIER GRP LEFT

    Black Rain Ordnance

    MSRP: $273.70
    $201.00
    Black Rain Ordnance, Inc. is a precision firearms manufacturer specializing in modern sporting rifle designs and high quality accessories.MANUFACTURER: Black Rain OrdnanceMPN: BRO-BCG-LHMODEL: 223Description: Biohazard EngravedFinish: Nib-XType: Bolt...
    MSRP: $273.70
    $201.00
    Qty in Cart: 0
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    MSRP: $273.70
    $201.00
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