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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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  • BLACK RAIN 223 BOLT CARRIER GRP LEFT

    BLACK RAIN 223 BOLT CARRIER GRP LEFT

    Black Rain Ordnance

    MSRP: $273.70
    $196.00
    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
    $196.00
    Qty in Cart: 0
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    MSRP: $273.70
    $196.00
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  • BAD 556 AR15 BCG TITANIUM ARMORTI

    BAD 556 AR15 BCG TITANIUM ARMORTI

    Battle Arms Development

    MSRP: $493.75
    $429.00
    The best just got better! From the inventors of the very first fully modular, patented, ambidextrous safety selector for the AR-15 platform, Battle Arms Development is raising the bar on reliability and compatibility of hard-use MSR components...
    MSRP: $493.75
    $429.00
    Qty in Cart: 0
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    MSRP: $493.75
    $429.00
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  • BAD M4/M16 STANDARD BCG

    BAD M4/M16 STANDARD BCG

    Battle Arms Development

    MSRP: $189.00
    $135.00
    The best just got better! From the inventors of the very first fully modular, patented, ambidextrous safety selector for the AR-15 platform, Battle Arms Development is raising the bar on reliability and compatibility of hard-use MSR components...
    MSRP: $189.00
    $135.00
    Qty in Cart: 0
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    MSRP: $189.00
    $135.00
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  • ANGSTADT AR15 BCG 9MM BLK

    ANGSTADT AR15 BCG 9MM BLK

    Angstadt Arms

    MSRP: $222.60
    $159.00
    This 9mm bolt carrier group is compatible with both GLOCK and Colt style 9mm AR-15 magazines without any further modifications. It features removable weight for use with the Law Tactical folding stock adapter.MANUFACTURER: Angstadt ArmsMPN:...
    MSRP: $222.60
    $159.00
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    MSRP: $222.60
    $159.00
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  • ANGSTADT AR15 BCG 556NATO BLK

    ANGSTADT AR15 BCG 556NATO BLK

    Angstadt Arms

    MSRP: $170.80
    $122.00
    The heart of a reliable AR-15 build is a quality 5.56 bolt carrier group assembly. These are the same high quality BCG's Angstadt makes for law enforcement and military groups around the world. Machined to mil-spec dimensions and finished in a beautiful...
    MSRP: $170.80
    $122.00
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    MSRP: $170.80
    $122.00
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  • ANGSTADT AR15 BCG 45ACP BLK

    ANGSTADT AR15 BCG 45ACP BLK

    Angstadt Arms

    MSRP: $222.60
    $159.00
    This 45 ACP bolt carrier group is compatible with GLOCK 45 ACP AR-15 (AR-45) builds. It features removable weight for use with the Law Tactical folding stock adapter.MANUFACTURER: Angstadt ArmsMPN: AA45BCGNITMODEL: 0Description: Bolt Carrier GroupType:...
    MSRP: $222.60
    $159.00
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    MSRP: $222.60
    $159.00
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  • BCM PSTL LOWER GROUP W/RCVR EXT 556

    BCM PSTL LOWER GROUP W/RCVR EXT 556

    Bravo Company

    MSRP: $603.75
    $525.00
    This BCM Receiver is machined from an aluminum forging 7075-T6, Hardcoat Anodized (per MIL-A-8625F, Type III, Class 2)MANUFACTURER: Bravo CompanyMPN: LRG-PISTOLMODEL: BCMAction: Semi-automaticCaliber: 556NATOGrips: BCMType: Complete Lower ReceiverColor:...
    MSRP: $603.75
    $525.00
    Qty in Cart: 0
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    MSRP: $603.75
    $525.00
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  • SIG MCX/MPX MINIMALIST PLUS STK COY

    SIG MCX/MPX MINIMALIST PLUS STK COY

    Sig Sauer

    MSRP: $263.06
    $211.00
    This assembly includes everything you need to add or replace your MPX or MCX stock with a Coyote Tan Minimalist Plus Stock.MANUFACTURER: Sig SauerMPN: 8901268MODEL: MinimalistFit: Sig MCX/MPXType: StockColor: Coyote
    MSRP: $263.06
    $211.00
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    MSRP: $263.06
    $211.00
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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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  • MFT BTTLELNK MINLST STOCK ALM BLK

    MFT BTTLELNK MINLST STOCK ALM BLK

    Mission First Tactical

    MSRP: $209.99
    $150.00
    The MFT Battlelink Aluminum Minimalist Stock is the lightest collapsible aluminum stock of its kind on the market, while still maintaining the strength and dependability you rely on. Manufactured from 6061-T6 Aluminum, billet and extruded hard coat...
    MSRP: $209.99
    $150.00
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    MSRP: $209.99
    $150.00
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  • MFT BTTLELNK ED MINIMALIST STOCK TAN

    MFT BTTLELNK ED MINIMALIST STOCK TAN

    Mission First Tactical

    MSRP: $83.99
    $60.00
    The MFT Battlelink Extreme Duty Minimalist Stock is based upon the original Minimalist, but built to withstand the abuse delivered by larger caliber platforms such as tactical shotguns or 7.62 AR's. Features include an angled, non-slip rubber buttpad,...
    MSRP: $83.99
    $60.00
    Qty in Cart: 0
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    MSRP: $83.99
    $60.00
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  • MFT BTTLELNK ED MINIMALIST STOCK BLK

    MFT BTTLELNK ED MINIMALIST STOCK BLK

    Mission First Tactical

    MSRP: $83.99
    $60.00
    The MFT Battlelink Extreme Duty Minimalist Stock is based upon the original Minimalist, but built to withstand the abuse delivered by larger caliber platforms such as tactical shotguns or 7.62 AR's. Features include an angled, non-slip rubber buttpad,...
    MSRP: $83.99
    $60.00
    Qty in Cart: 0
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    MSRP: $83.99
    $60.00
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