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AR15 Parts

AR15 Parts

Gas & Brass Armory is your trusted source for AR-15 parts in Brandon, FL. Whether you're upgrading your current rifle or building a custom AR from the ground up, we stock high-quality components from top manufacturers like Aero Precision, Magpul, Radian Weapons, BCM, Geissele, and more. Shop complete uppers, stripped lowers, triggers, handguards, buffer kits, barrels, and everything you need for your next AR build. Our expert staff is here to help you build it right the first time.

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  • Out of stock
    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 FOUR POS ADJ BOLT CAR COMPL

    BOOTLEG FOUR POS ADJ BOLT CAR COMPL

    Bootleg

    MSRP: $279.93
    $205.00
    Complete Bolt carrier group, Machined from S7 Tool Steel, Lithium Isonite Coating, 4 Setting Adjustable Vent System relieves excess gas pressure created from suppressor use, creating longer dwell time and less blowback to the shooter. Gas Adjustment can...
    MSRP: $279.93
    $205.00
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    MSRP: $279.93
    $205.00
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  • Out of stock
    BOOTLEG 5.56 NITRIDE BCG COMPLETE

    BOOTLEG 5.56 NITRIDE BCG COMPLETE

    Bootleg

    MSRP: $153.93
    $110.00
    Machined from 4140, Nitride Coating, MIL-SPEC configuration, Staked MIL-SPEC Gas Key, M16 Style.MANUFACTURER: BootlegMPN: BP-C15-BCGMODEL: 0Description: Bolt Carrier GroupType: Bolt Carrier GroupColor: Black
    MSRP: $153.93
    $110.00
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    MSRP: $153.93
    $110.00
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    BAD 9MM AR15 BOLT CARRIER GROUP BLK

    BAD 9MM AR15 BOLT CARRIER GROUP BLK

    Battle Arms Development

    MSRP: $237.93
    $170.00
    Enhanced 9mm Blowback AR-15 Bolt Carrier Group is compatible with both COLT and GLOCK magazine configurations. Features reliable AR-15 style extractor claw with O-Ring and spring and broad trigger compatibility with ramped bottom geometry. Charging...
    MSRP: $237.93
    $170.00
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    $170.00
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    BAD M4/M16 ENHANCED BCG

    BAD M4/M16 ENHANCED BCG

    Battle Arms Development

    MSRP: $265.93
    $190.00
    Established in 2009, Battle Arms Development, Inc. (B.A.D. Inc.) stands as a distinguished force in the realm of small arms innovation. Nestled in the heart of Henderson, Nevada, their company is driven by a relentless commitment to pushing the...
    MSRP: $265.93
    $190.00
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    AERO AR15 6.5GREN BCG W/9310 BLK

    AERO AR15 6.5GREN BCG W/9310 BLK

    Aero Precision

    MSRP: $223.99
    $160.00
    This high quality bolt carrier group is a valuable addition to your 6.5 Grendel/6mm ARC build.MANUFACTURER: Aero PrecisionMPN: APRH100725CMODEL: Bolt Carrier GroupDescription: 6.5 GrendelFinish: NitrideType: Bolt Carrier GroupColor: Black
    MSRP: $223.99
    $160.00
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    $160.00
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    AERO AR15 5.56 PRO SERIES BCG NTRD

    AERO AR15 5.56 PRO SERIES BCG NTRD

    Aero Precision

    MSRP: $244.99
    $175.00
    The Aero Precision PRO 5.56 Bolt Carrier Group is built from the ground up to meet the demands of the most extreme conditions. Each component and manufacturing process of the PRO 5.56 Bolt Carrier Group was deliberately chosen to increase the reliable...
    MSRP: $244.99
    $175.00
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    $175.00
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    AERO AR15 5.56 BCG W/9310 BLK NTRD

    AERO AR15 5.56 BCG W/9310 BLK NTRD

    Aero Precision

    MSRP: $216.99
    $155.00
    This high quality bolt carrier group is a valuable addition to your AR15 build.MANUFACTURER: Aero PrecisionMPN: APRH100615CMODEL: Bolt Carrier GroupDescription: Standard Bolt Carrier GroupType: Bolt Carrier GroupColor: Black
    MSRP: $216.99
    $155.00
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    $155.00
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    AERO AR10 308 BCG W/LOGO

    AERO AR10 308 BCG W/LOGO

    Aero Precision

    MSRP: $293.74
    $235.00
    Aero Precision's .308 / 7.62 Bolt Carrier Group is the perfect firing mechanism for your big-bore rifle build. This high quality BCG features a Black Nitride finish, is MPI/HPT and now includes a laser engraved Aero Precision 'A' logoMANUFACTURER: Aero...
    MSRP: $293.74
    $235.00
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    SPIKE S M4 COMPLETE STOCK KIT ST-T2

    SPIKE S M4 COMPLETE STOCK KIT ST-T2

    Spike's Tactical

    MSRP: $157.44
    $113.00
    The Spike's Tactical M4 Complete Stock Assembly comes with everything you need to finish off the back end of your AR-15 lower receiver with top notch parts. This kit comes with a 6 position Mil-Spec Buffer Tube, M4 Collapsible Buttstock, Receiver End...
    MSRP: $157.44
    $113.00
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    MSRP: $157.44
    $113.00
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  • SIG MCX/MPX FOLDING STK MAGPUL SL-K

    SIG MCX/MPX FOLDING STK MAGPUL SL-K

    Sig Sauer

    MSRP: $263.06
    $0.00
    This assembly includes everything you need to add or replace your MPX or MCX stock with a folding buffer tube and the Magpul SL-K StockMANUFACTURER: Sig SauerMPN: 8900516MODEL: Low Profile Stock AssemblyDescription: FoldingFit: Sig MCX/MPXType:...
    MSRP: $263.06
    $0.00
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    SIG MCX/MPX FLDING/TLSCPING STK FDE

    SIG MCX/MPX FLDING/TLSCPING STK FDE

    Sig Sauer

    MSRP: $263.06
    $211.00
    Sig Sauer factory replacement collapsible stock assembly installs easily on your MCX, MPX or other platforms with a receiver mounted 1913 rail interface.MANUFACTURER: Sig SauerMPN: STOCK-X-FOLD-TELE-FDEMODEL: 0Description: Folding and TelescopingFit: Sig...
    MSRP: $263.06
    $211.00
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    MSRP: $263.06
    $211.00
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