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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 LPK STANDARD

    GEISSELE LPK STANDARD

    Geissele Automatics

    MSRP: $84.25
    $61.00
    The Geissele Standard Lower Parts Kit includes all the internal parts necessary to complete or rebuild your lower receiver. This quality mil-spec kit features an improved safety detent and their specially designed Posi-Snap safety, which provides the end...
    MSRP: $84.25
    $61.00
    Qty in Cart: 0
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    MSRP: $84.25
    $61.00
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  • Out of stock
    FORTIS TAKEDOWN PIN CASE HARDENED

    FORTIS TAKEDOWN PIN CASE HARDENED

    Fortis Manufacturing Inc.

    MSRP: $30.52
    $22.00
    The Fortis Enhanced Pins Set features a drill through design to keep the weight low without sacrificing rigidity. Manufacturing it out of 17-4 stainless steel allows Fortis to balance between form and function. This enhanced set is machined with...
    MSRP: $30.52
    $22.00
    Qty in Cart: 0
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    MSRP: $30.52
    $22.00
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  • Out of stock
    FORTIS SS FIFTY AMBI SFTY SLCTR GLD

    FORTIS SS FIFTY AMBI SFTY SLCTR GLD

    Fortis Manufacturing Inc.

    MSRP: $53.13
    $38.00
    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
    $38.00
    Qty in Cart: 0
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    MSRP: $53.13
    $38.00
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    FORTIS K2 ENHANCD AR15 END PLATE BLK

    FORTIS K2 ENHANCD AR15 END PLATE BLK

    Fortis Manufacturing Inc.

    MSRP: $59.78
    $43.00
    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: $59.78
    $43.00
    Qty in Cart: 0
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    MSRP: $59.78
    $43.00
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    FORTIS LW ENHANCD AR15 END PLATE BLK

    FORTIS LW ENHANCD AR15 END PLATE BLK

    Fortis Manufacturing Inc.

    MSRP: $53.13
    $38.00
    The K1 system features a tapered castle nut that seals itself onto the end plate. This ultra precision snug fit allows the castle nut to seat and seal itself into place without the need of staking the end plate. No ratcheting, no set screws, no backing...
    MSRP: $53.13
    $38.00
    Qty in Cart: 0
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    MSRP: $53.13
    $38.00
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    FORTIS CLUTCH CHRGNG HNDL 556NATO RH

    FORTIS CLUTCH CHRGNG HNDL 556NATO RH

    Fortis Manufacturing Inc.

    MSRP: $39.83
    $29.00
    Fortis engineers, designs, & develops military grade accessories that look good and function great. Their accessories are tested and evaluated by industry professionals, then put to the test by people in the military and law enforcement community...
    MSRP: $39.83
    $29.00
    Qty in Cart: 0
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    MSRP: $39.83
    $29.00
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    FORTIS K2 ENHANCD AR15 END PLATE GRY

    FORTIS K2 ENHANCD AR15 END PLATE GRY

    Fortis Manufacturing Inc.

    MSRP: $59.78
    $43.00
    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: $59.78
    $43.00
    Qty in Cart: 0
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    MSRP: $59.78
    $43.00
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  • Out of stock
    FORTIS END PLATE & CASTLE NUT

    FORTIS END PLATE & CASTLE NUT

    Fortis Manufacturing Inc.

    MSRP: $32.84
    $20.00
    The Fortis Standard Castle Nut is manufactured from a solid piece of billet aircraft grade aluminum that offers a significant weight reduction to your castle nut. If you're trying to save ounces, this is a great way, but without sacrificing durability...
    MSRP: $32.84
    $20.00
    Qty in Cart: 0
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    MSRP: $32.84
    $20.00
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    FORTIS BILLET DUST COVER CF GRAY

    FORTIS BILLET DUST COVER CF GRAY

    Fortis Manufacturing Inc.

    MSRP: $39.83
    $29.00
    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
    $29.00
    Qty in Cart: 0
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    MSRP: $39.83
    $29.00
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    FORTIS BILLET DUST COVER CF FDE

    FORTIS BILLET DUST COVER CF FDE

    Fortis Manufacturing Inc.

    MSRP: $39.83
    $29.00
    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
    $29.00
    Qty in Cart: 0
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    MSRP: $39.83
    $29.00
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    FORTIS BILLET DUST COVER CF RED

    FORTIS BILLET DUST COVER CF RED

    Fortis Manufacturing Inc.

    MSRP: $39.83
    $29.00
    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
    $29.00
    Qty in Cart: 0
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    MSRP: $39.83
    $29.00
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  • Out of stock
    FORTIS BILLET DUST COVER CF BLACK

    FORTIS BILLET DUST COVER CF BLACK

    Fortis Manufacturing Inc.

    MSRP: $39.83
    $29.00
    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
    $29.00
    Qty in Cart: 0
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    MSRP: $39.83
    $29.00
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