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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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  • GRIFFIN ARMAMENT MK2 STRIPPED LOWER RECEIVER  - 631465971231

    GRIFFIN ARMAMENT MK2 STRIPPED LOWER RECEIVER - 631465971231

    Griffin Armament

    $209.00
    GRIFFIN ARMAMENT MK2 STRIPPED LOWER RECEIVER Griffin Armament MK2AL MK2 Stripped Lower Receiver 7075-T6 Aluminum Black Anodized for AR-15The Griffin MK2 Ambi Lower is the ideal foundation for your next rifle build. Precisely machined from high-grade...
    $209.00
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    $209.00
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  • YANKEE HILL STRIPPED BILLET LOWER RECEIVER 125BILLET

    YANKEE HILL STRIPPED BILLET LOWER RECEIVER 125BILLET

    YANKEE HILL

    $311.00
    YHM originally designed a Billet lower that mimicked a standard forged lower receiver but after seeing the prototype production they decided to go with a receiver that was more stylized something that didnt look like every other AR15 on the planet. It...
    $311.00
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    $311.00
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  • YANKEE HILL STRIPPED LOWER RECEIVER 125

    YANKEE HILL STRIPPED LOWER RECEIVER 125

    YANKEE HILL

    $223.00
    The YHM lowers are machined 100 in house from forged 7075T6 aircraft grade aluminum. They feature over sized magazine well chambers for easier magazine changes. They will accept all generations of PMAGs and milspec upper receivers. They fit all standard...
    $223.00
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    $223.00
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  • S&W RECEIVER COMPLETE LOWER RECEIVER 812002

    S&W RECEIVER COMPLETE LOWER RECEIVER 812002

    Smith & Wesson

    $366.00
    Smith Wesson MP 15 Complete AR15 5.56 lower receiver with standard trigger group collapsible stock. It comes with standard AR15 grip.
    $366.00
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    $366.00
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  • RADIAN WEAPONS LOWER RECEIVER R0848

    RADIAN WEAPONS LOWER RECEIVER R0848

    Radian Weapons

    $1,145.00
    The Radian Weapons Billet Upper Lower Builder Sets were created to function as the best item for anyone looking for a top quality selection. These AR15 Receiver Sets from the professional product specialists at Radian Weapons are designed working with...
    $1,145.00
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  • RADIAN WEAPONS A-DAC 15 LOWER RECEIVER R0847

    RADIAN WEAPONS A-DAC 15 LOWER RECEIVER R0847

    Radian Weapons

    $1,145.00
    Machined from billet 7075T6 aluminum the ADAC 15 is a fully ambidextrous lower receiver for AR15style firearms. In addition to the Talon Ambidextrous Safety Selector leftside magazine release and rightside bolt release the ADAC 15 features the patented...
    $1,145.00
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  • FRANKLIN ARMORY LIBERTAS LOWER RECEIVER 0020009BLK

    FRANKLIN ARMORY LIBERTAS LOWER RECEIVER 0020009BLK

    FRANKLIN ARMORY

    $432.00
    Franklin Armory Libertas Proprietary Billet Lower Receiver Machined From 7075T6 Aluminum Hard Coat Type III Anodized Black Flared Magazine Well for Quick Magazine Changes Ambidextrous Push Button QD Sling Mounts Integral Cold Weather Trigger Guard...
    $432.00
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    $432.00
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  • FRANKLIN ARMORY BFSIII LOWER RECEIVER 0020023BLK

    FRANKLIN ARMORY BFSIII LOWER RECEIVER 0020023BLK

    FRANKLIN ARMORY

    $612.00
    Franklin Armory Libertas Proprietary Billet Lower Receiver Machined From 7075T6 Aluminum Hard Coat Type III Anodized Black Flared Magazine Well for Quick Magazine Changes Ambidextrous Push Button QD Sling Mounts Integral Cold Weather Trigger Guard...
    $612.00
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    $612.00
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  • FRANKLIN ARMORY BFSIII LOWER RECEIVER 0020024BLK

    FRANKLIN ARMORY BFSIII LOWER RECEIVER 0020024BLK

    FRANKLIN ARMORY

    $333.00
    Forged 7075T6 Aluminum Hard Coat Type III Anodized Black Specialized Tension Screw Eliminates UpperLower Play FRANKLIN ARMORY Binary Firing System Trigger A2 Pistol Grip Magazine Manufactured from Stainless Steel Marlube Finished 30 Round 5.56 NATO...
    $333.00
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    $333.00
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  • COBALT KINETICS CK-PRO RECEIVER SET CKPROSET98FDE

    COBALT KINETICS CK-PRO RECEIVER SET CKPROSET98FDE

    COBALT KINETICS

    $1,151.00
    The Cobalt Kinetics CKPro receiver set is a premium AR upgrade kit designed for toptier performance and durability. It features a proprietary nonrotating upper receiver system with 8 TORX screws for a rocksolid handguard mount. Each set includes the...
    $1,151.00
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  • COBALT KINETICS CK-PRO RECEIVER SET CKPROSET98BLK

    COBALT KINETICS CK-PRO RECEIVER SET CKPROSET98BLK

    COBALT KINETICS

    $1,151.00
    The Cobalt Kinetics CKPro receiver set is a premium AR upgrade kit designed for toptier performance and durability. It features a proprietary nonrotating upper receiver system with 8 TORX screws for a rocksolid handguard mount. Each set includes the...
    $1,151.00
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  • COBALT KINETICS CK-PRO RECEIVER SET CKPROSET675FDE

    COBALT KINETICS CK-PRO RECEIVER SET CKPROSET675FDE

    COBALT KINETICS

    $1,151.00
    The Cobalt Kinetics CKPro receiver set is a premium AR upgrade kit designed for toptier performance and durability. It features a proprietary nonrotating upper receiver system with 8 TORX screws for a rocksolid handguard mount. Each set includes the...
    $1,151.00
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