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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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  • SOLGW GAS BLOCK .750 V2

    SOLGW GAS BLOCK .750 V2

    Sons of Liberty Gun Works

    MSRP: $63.00
    $45.00
    Sons of Liberty's V2 gas blocks are the highest quality gas block on the market, while remaining simple to use and affordable. Made of industry leading 4140 steel to match the thermal properties of your CrMoV barrel. Sons of Liberty gas blocks are...
    MSRP: $63.00
    $45.00
    Qty in Cart: 0
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    MSRP: $63.00
    $45.00
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  • SCO GAS DEFEATING CHARGING HANDLE

    SCO GAS DEFEATING CHARGING HANDLE

    SilencerCo

    MSRP: $135.66
    $96.90
    The SilencerCo Gas Defeating Charging Handle (GDCH) is a novel AR-15 charging handle which utilizes proprietary design features to provide the most effective gas blow back mitigating properties available on the market today.MANUFACTURER: SilencerCoMPN:...
    MSRP: $135.66
    $96.90
    Qty in Cart: 0
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    MSRP: $135.66
    $96.90
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  • SIG TREAD TWO STAGE TRIGGER

    SIG TREAD TWO STAGE TRIGGER

    Sig Sauer

    MSRP: $140.87
    $100.62
    This two-stage match flat blade trigger reduces the pull weight to break crisply and cleanly at approximately 5 lbs.MANUFACTURER: Sig SauerMPN: 8900696MODEL: TreadDescription: FlatType: TriggerColor: Black
    MSRP: $140.87
    $100.62
    Qty in Cart: 0
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    MSRP: $140.87
    $100.62
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  • SIG TREAD AMBI CHARGING HANDLE

    SIG TREAD AMBI CHARGING HANDLE

    Sig Sauer

    MSRP: $93.38
    $66.70
    A full ambi design allowing for left or right hand operation with medium sized latches and a dual roll pin design. Made for extended use with aircraft grade aluminum.MANUFACTURER: Sig SauerMPN: KIT-TRD-CHARGING-HANDLMODEL: TreadDescription: Charging...
    MSRP: $93.38
    $66.70
    Qty in Cart: 0
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    MSRP: $93.38
    $66.70
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  • SHARPS AR15 LOWER PARTS KIT NO FCG

    SHARPS AR15 LOWER PARTS KIT NO FCG

    Sharps Bros.

    MSRP: $46.07
    $32.91
    100% USA produced components. Each kit is guaranteed to fit a mil-spec dimension lower receiver. No foreign made or polymer parts. These are quality kits at an excellent price.MANUFACTURER: Sharps Bros.MPN: SBLPK01MODEL: Lower Parts KitType: Lower Parts...
    MSRP: $46.07
    $32.91
    Qty in Cart: 0
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    MSRP: $46.07
    $32.91
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  • SEEKINS DNA CHARGING HANDLE 308

    SEEKINS DNA CHARGING HANDLE 308

    Seekins Precision

    MSRP: $110.60
    $79.00
    The Seekins Precision DNA Charging Handle offers a full body and textured grip surface to improve user controls.MANUFACTURER: Seekins PrecisionMPN: 11510071MODEL: DNAType: Charging HandleColor: Black
    MSRP: $110.60
    $79.00
    Qty in Cart: 0
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    MSRP: $110.60
    $79.00
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  • SEEKINS DNA CHARGING HANDLE 556

    SEEKINS DNA CHARGING HANDLE 556

    Seekins Precision

    MSRP: $105.00
    $75.00
    The Seekins Precision DNA Charging Handle offers a full body and textured grip surface to improve user controls.MANUFACTURER: Seekins PrecisionMPN: 11510069MODEL: DNAType: Charging HandleColor: Black
    MSRP: $105.00
    $75.00
    Qty in Cart: 0
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    MSRP: $105.00
    $75.00
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  • Out of stock
    SEEKINS ENHANCED BOLT CATCH

    SEEKINS ENHANCED BOLT CATCH

    Seekins Precision

    MSRP: $31.35
    $19.00
    The Seekins Precision Enhanced Bolt Catch is an easy to install upgrade that improves the functionality of any Mil-Spec lower receiver. Designed to make bolt manipulation easier, the unique, oversized bolt catch has an aggressive, diamond texture for...
    MSRP: $31.35
    $19.00
    Qty in Cart: 0
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    MSRP: $31.35
    $19.00
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  • SEEKINS SP SFTY SELECTOR KIT RED

    SEEKINS SP SFTY SELECTOR KIT RED

    Seekins Precision

    MSRP: $82.60
    $59.00
    Fully ambidextrous, drop-in replacement for Mil-Spec selector switch. 60 degree short throw lever/90 degree standard throw lever.MANUFACTURER: Seekins PrecisionMPN: 0011580012MODEL: 0Description: Safety Selector KitType: Safety SelectorColor: Red
    MSRP: $82.60
    $59.00
    Qty in Cart: 0
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    MSRP: $82.60
    $59.00
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  • SEEKINS SP SFTY SELECTOR KIT FDE

    SEEKINS SP SFTY SELECTOR KIT FDE

    Seekins Precision

    MSRP: $82.60
    $59.00
    Fully ambidextrous, drop-in replacement for Mil-Spec selector switch. 60 degree short throw lever/90 degree standard throw lever.MANUFACTURER: Seekins PrecisionMPN: 0011580006MODEL: 0Description: Safety Selector KitType: Safety SelectorColor: Flat Dark...
    MSRP: $82.60
    $59.00
    Qty in Cart: 0
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    MSRP: $82.60
    $59.00
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  • SEEKINS SP SFTY SELECTOR KIT BLK

    SEEKINS SP SFTY SELECTOR KIT BLK

    Seekins Precision

    MSRP: $82.60
    $59.00
    Fully ambidextrous, drop-in replacement for Mil-Spec selector switch. 60 degree short throw lever/90 degree standard throw lever.MANUFACTURER: Seekins PrecisionMPN: 0011580002MODEL: 0Description: Safety Selector KitType: Safety SelectorColor: Black
    MSRP: $82.60
    $59.00
    Qty in Cart: 0
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    MSRP: $82.60
    $59.00
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  • SEEKINS LOW PRO GAS BLOCK .750

    SEEKINS LOW PRO GAS BLOCK .750

    Seekins Precision

    MSRP: $96.60
    $69.00
    The Seekins Precision Low Profile Adjustable Gas Block lets you to fine tune your rifle's gas system for smoother cycling and operation. Operation is easy, simply turn the gas regulating screw in to lessen the amount of gas and out to add more gas, then...
    MSRP: $96.60
    $69.00
    Qty in Cart: 0
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    MSRP: $96.60
    $69.00
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