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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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    FN FN15 STRPD LWR RCVR M16 MILITARY

    FN FN15 STRPD LWR RCVR M16 MILITARY

    FN America

    MSRP: $201.60
    $144.00
    Tailored after FN's production of U.S. Military issued carbinesand made to FN's exacting specification, the replica strippedreceivers are the heart of an authentic M4 or M16 build. Forgedfrom 7075-T6 aluminum, machined, and broached to preciseMIL-SPEC...
    MSRP: $201.60
    $144.00
    Qty in Cart: 0
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    MSRP: $201.60
    $144.00
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  • Out of stock
    FN FN15 STRPD LWR RCVR M4 MILITARY

    FN FN15 STRPD LWR RCVR M4 MILITARY

    FN America

    MSRP: $201.60
    $144.00
    Tailored after FN's production of U.S. Military issued carbines and made to FN's exacting specification, the replica stripped receivers are the heart of an authentic M4 or M16 build. Forged from 7075-T6 aluminum, machined, and broached to precise...
    MSRP: $201.60
    $144.00
    Qty in Cart: 0
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    MSRP: $201.60
    $144.00
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  • Out of stock
    FMK AR15 POLYMER LOWER RECEIVER BB

    FMK AR15 POLYMER LOWER RECEIVER BB

    FMK Firearms

    MSRP: $44.79
    $32.00
    Manufactured in the USA of a high impact proprietary composite polymer. This state of the art polymer allows for superior strength, unmatched durability and is extremely lightweight. The Ar1 eXtreme is by far the strongest composite polymer lower on the...
    MSRP: $44.79
    $32.00
    Qty in Cart: 0
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    MSRP: $44.79
    $32.00
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    DBF DB15 LOWER RCVR MULTI CAL BLK

    DBF DB15 LOWER RCVR MULTI CAL BLK

    Diamondback Firearms

    MSRP: $91.00
    $61.00
    Diamondback Firearms is proud to announce its line of DB15 rifles made entirely in the USA! Starting with the tried-and-true, U.S. Military-proven gas-impingement system and using only the highest quality components machined in Diamondback's CNC facility...
    MSRP: $91.00
    $61.00
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    MSRP: $91.00
    $61.00
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  • CMMG LOWER SUB-ASSY MK9 BLK

    CMMG LOWER SUB-ASSY MK9 BLK

    CMMG

    MSRP: $227.78
    $0.00
    As CMMG's oldest 9mm platform, the Mk9 is continuing to go through changes to become even better than before. Introducing, the new and improved Mk9, now utilizing CMMG's patented Radial Delayed Blowback operating system. Radial Delayed Blowback...
    MSRP: $227.78
    $0.00
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    CMMG LOWER MK4/AR15 BLK

    CMMG LOWER MK4/AR15 BLK

    CMMG

    MSRP: $160.26
    $114.00
    Precision machined from forged 7075 T6 aluminum, the CMMG Mk4 AR-15 stripped lower receiver is the quality mil-spec lower ready to be the foundation for your next build. The Mk4 stripped lower comes standard in a Armor Black finish and can be assembled...
    MSRP: $160.26
    $114.00
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    MSRP: $160.26
    $114.00
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  • CMMG LOWER ASSY MK3 308WN BLK

    CMMG LOWER ASSY MK3 308WN BLK

    CMMG

    MSRP: $421.86
    $0.00
    Based off the popular high pattern LR-308, the tried-and-true Mk3 line is designed to handle larger calibers unsuitable for the AR-15 platform like .308 Win or 6.5 Creedmoor.MANUFACTURER: CMMGMPN: 38CA2AC-ABMODEL: MK3Action: Semi-automaticFinish:...
    MSRP: $421.86
    $0.00
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    BCM LOWER GROUP W/MILSPEC M4 STOCK

    BCM LOWER GROUP W/MILSPEC M4 STOCK

    Bravo Company

    MSRP: $493.75
    $395.00
    BCM rifles and carbines are some of the highest quality modern sporting rifles on the market today. Whether it's competition, defense, hunting or duty, BCM offers a rifle for the task at hand.MANUFACTURER: Bravo CompanyMPN: LRG-STK-M4MODEL:...
    MSRP: $493.75
    $395.00
    Qty in Cart: 0
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    MSRP: $493.75
    $395.00
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    BOOTLEG AMBI RECEIVER SET AR 15 BLK

    BOOTLEG AMBI RECEIVER SET AR 15 BLK

    Bootleg

    MSRP: $574.94
    $460.00
    Machined out of 7075 Billet aluminum and designed to match their newly released Upper Receiver, The Smuggler is their exciting first step into Lower receivers. Weighing in at 9.85 ounces and MIL-SPEC Hard Anodized this lower receiver will stand the test...
    MSRP: $574.94
    $460.00
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    MSRP: $574.94
    $460.00
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    BOOTLEG SMUGGLER AMBI LOWER BLK

    BOOTLEG SMUGGLER AMBI LOWER BLK

    Bootleg

    MSRP: $324.94
    $260.00
    Machined out of 7075 Billet aluminum and designed to match their newly released Upper Receiver, The Smuggler is their exciting first step into Lower receivers. Weighing in at 9.85 ounces and MIL-SPEC Hard Anodized this lower receiver will stand the test...
    MSRP: $324.94
    $260.00
    Qty in Cart: 0
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    MSRP: $324.94
    $260.00
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    BAD WORKHORSE COMPLETE LOWR B5 STOCK

    BAD WORKHORSE COMPLETE LOWR B5 STOCK

    Battle Arms Development

    MSRP: $462.49
    $370.00
    This complete WORKHORSE Rifle Lower with B5 Systems Bravo Stock is fully assembled and ready for your rifle upper.MANUFACTURER: Battle Arms DevelopmentMPN: WH-LR-R-B5MODEL: WorkhorseAction: Semi-automaticFinish: AnodizedCaliber: MultiType: Complete Lower...
    MSRP: $462.49
    $370.00
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    MSRP: $462.49
    $370.00
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    BAD WORKHORSE LOWER RECEIVER BLK

    BAD WORKHORSE LOWER RECEIVER BLK

    Battle Arms Development

    MSRP: $175.00
    $125.00
    Battle Arms Development, Inc. (B.A.D. Inc.) is a design, research, and development firm incorporated in 2009 with a focus on small arms design including firearm components, tools, gauges, accessories, and complete weapon systems. Their Workhorse lower...
    MSRP: $175.00
    $125.00
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    MSRP: $175.00
    $125.00
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