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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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  • GEISSELE AIRBORNE CHRG HNDL 5.56 DDC

    GEISSELE AIRBORNE CHRG HNDL 5.56 DDC

    Geissele Automatics

    MSRP: $164.22
    $117.30
    The Airborne Charging Handle (ACH) was developed at the request of an elite organization famous for its expertise in aerial insertion. The organization requested a lower profile lever design to reduce the chances of snagging. The ACH's lower profile...
    MSRP: $164.22
    $117.30
    Qty in Cart: 0
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    MSRP: $164.22
    $117.30
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  • GEISSELE AIRBORNE CHRG HNDL 5.56 BLK

    GEISSELE AIRBORNE CHRG HNDL 5.56 BLK

    Geissele Automatics

    MSRP: $149.94
    $107.10
    The Airborne Charging Handle (ACH) was developed at the request of an elite organization famous for its expertise in aerial insertion. The organization requested a lower profile lever design to reduce the chances of snagging. The ACH's lower profile...
    MSRP: $149.94
    $107.10
    Qty in Cart: 0
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    MSRP: $149.94
    $107.10
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  • GEISSELE SUPER GAS BLOCK

    GEISSELE SUPER GAS BLOCK

    Geissele Automatics

    MSRP: $114.24
    $81.60
    The Geissele Super Gas Block is a low profile gas block, designed to fit under most free floating handguards. Precision investment cast from 17-4 precipitation hardening stainless steel, the gas block provides corrosion resistance and strength to...
    MSRP: $114.24
    $81.60
    Qty in Cart: 0
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    MSRP: $114.24
    $81.60
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  • FORTIS SS FIFTY AMBI SFTY SLCTR BLK

    FORTIS SS FIFTY AMBI SFTY SLCTR BLK

    Fortis Manufacturing Inc.

    MSRP: $53.13
    $37.95
    High quality components and precise manufacturing make Fortis 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: Fortis...
    MSRP: $53.13
    $37.95
    Qty in Cart: 0
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    MSRP: $53.13
    $37.95
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  • FORTIS K1 ENHANCD AR15 END PLATE FDE

    FORTIS K1 ENHANCD AR15 END PLATE FDE

    Fortis Manufacturing Inc.

    MSRP: $53.13
    $37.95
    When designing their new Lightweight Enhanced (LE) Castle Nut & End Plate System, Fortis came up with two systems that virtually eliminates the risk of your castle nut ever backing out. With two lockdown systems (K1 & K2), Fortis has engineered a...
    MSRP: $53.13
    $37.95
    Qty in Cart: 0
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    MSRP: $53.13
    $37.95
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  • Out of stock
    FORTIS BILLET DUST COVER CF GRAY

    FORTIS BILLET DUST COVER CF GRAY

    Fortis Manufacturing Inc.

    MSRP: $39.83
    $28.45
    The Fortis Billet Dust Cover is manufactured from a solid piece of aircraft grade aluminum. This ensures overall durability and reliability vs other polymer versions. Easy to install and upgrade your existing ejection port dust cover on your .223/556...
    MSRP: $39.83
    $28.45
    Qty in Cart: 0
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    MSRP: $39.83
    $28.45
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  • Out of stock
    FORTIS BILLET DUST COVER CF FDE

    FORTIS BILLET DUST COVER CF FDE

    Fortis Manufacturing Inc.

    MSRP: $39.83
    $28.45
    The Fortis Billet Dust Cover is manufactured from a solid piece of aircraft grade aluminum. This ensures overall durability and reliability vs other polymer versions. Easy to install and upgrade your existing ejection port dust cover on your .223/556...
    MSRP: $39.83
    $28.45
    Qty in Cart: 0
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    MSRP: $39.83
    $28.45
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  • Out of stock
    ERGO LOW PROFILE ADJ GAS BLOCK .750

    ERGO LOW PROFILE ADJ GAS BLOCK .750

    Ergo Grip

    MSRP: $60.55
    $43.25
    The .750" Low-Pro Adjustable Gas Block is constructed of 4140 chromoly steel and will fit under Superlite Rail Systems. Adjustments are achieved with the set-screw allowing you to fine tune the amount of gas allowed through the system for load specific...
    MSRP: $60.55
    $43.25
    Qty in Cart: 0
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    MSRP: $60.55
    $43.25
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  • DBST SUPERLITE GAS BLOCK .750

    DBST SUPERLITE GAS BLOCK .750

    Doublestar Corp.

    MSRP: $47.59
    $33.99
    The Superlite Same Plane Gas Block is machined from rugged 6061 T6 aircraft aluminum and Type III hard coat anodized to match the finish of most AR style uppers. The 1913 picatinny rail matches the height of a standard mil spec flattop upper receiver...
    MSRP: $47.59
    $33.99
    Qty in Cart: 0
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    MSRP: $47.59
    $33.99
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  • DD GRIP-N-RIP CHRGNG HNDL AMBI 556

    DD GRIP-N-RIP CHRGNG HNDL AMBI 556

    Daniel Defense

    MSRP: $151.20
    $108.00
    High quality components and precise manufacturing make Daniel Defense 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:...
    MSRP: $151.20
    $108.00
    Qty in Cart: 0
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    MSRP: $151.20
    $108.00
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  • COLT FIELD REPAIR KIT M4/AR15

    COLT FIELD REPAIR KIT M4/AR15

    Colt's Manufacturing

    MSRP: $54.74
    $39.10
    Prepare your AR15/M4 for anything with the Colt's Manufacturing Field Repair Kit-an essential collection of mil-spec replacement parts designed to keep your rifle running in peak condition. Whether you're facing worn components after extended range time...
    MSRP: $54.74
    $39.10
    Qty in Cart: 0
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    MSRP: $54.74
    $39.10
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  • COLT HIGH WEAR PARTS KIT M4/AR15

    COLT HIGH WEAR PARTS KIT M4/AR15

    Colt's Manufacturing

    MSRP: $37.24
    $26.60
    COLT HIGH WEAR PARTS KIT M4/AR15MANUFACTURER: Colt's ManufacturingMPN: SPK403980MODEL: High Wear Parts Repair KitType: KitColor: Black
    MSRP: $37.24
    $26.60
    Qty in Cart: 0
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    MSRP: $37.24
    $26.60
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