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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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  • CMMG AR-15 BUFFER ASSEMBLY

    CMMG AR-15 BUFFER ASSEMBLY

    CMMG

    MSRP: $28.32
    $23.00
    CMMG manufactures high quality parts and accessories for the AR-15 platform. This CMMG AR-15 Buffer Assembly is a replacement buffer for AR-15's/M4's that are using a carbine receiver extension.MANUFACTURER: CMMGMPN: 55CA977MODEL: 0Description: Buffer is...
    MSRP: $28.32
    $23.00
    Qty in Cart: 0
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    MSRP: $28.32
    $23.00
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  • CMC AR15 STANDARD BUFFER ASSEMBLY ML

    CMC AR15 STANDARD BUFFER ASSEMBLY ML

    CMC Triggers

    MSRP: $79.80
    $57.00
    Compatible with Mil-Spec AR-15 stocks this kit contains all the necessary parts to mount a stock assembly onto your lower receiver. Six position AR-15 buffer tube is machined from 7075 T6 aluminum to Mil-Spec dimensions with a Type III Class II hard coat...
    MSRP: $79.80
    $57.00
    Qty in Cart: 0
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    MSRP: $79.80
    $57.00
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  • CMC AR15 8-POS BUFFER KIT A5 LNGTH

    CMC AR15 8-POS BUFFER KIT A5 LNGTH

    CMC Triggers

    MSRP: $138.60
    $99.00
    CMC Triggers in-house production also allows for greater flexibility and the ability to respond quickly to market demands. This, in turn, benefits their customers, who can depend on a reliable and consistent supply of high-quality Buffer Tube Kits. The...
    MSRP: $138.60
    $99.00
    Qty in Cart: 0
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    MSRP: $138.60
    $99.00
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  • BCM STOCK HARDWARE MOUNT KIT MILSPEC

    BCM STOCK HARDWARE MOUNT KIT MILSPEC

    Bravo Company

    MSRP: $81.13
    $58.00
    Bravo Company's BCM Mil-Spec Carbine Stock Hardware Mounting Kit for AR-15's contains all the necessary parts to mount your Mil-Spec dimension stock assembly to your lower receiver- Receiver Extension (Mil-Spec, 6 position), Receiver End Plate, Castle...
    MSRP: $81.13
    $58.00
    Qty in Cart: 0
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    MSRP: $81.13
    $58.00
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  • BCM MK2 RECEIVER EXTENSION

    BCM MK2 RECEIVER EXTENSION

    Bravo Company

    MSRP: $69.93
    $50.00
    BCM MK2 Receiver Extension for your AR15, M16, M4. Machined from 7075T6 and manufactured to Mil-Spec dimensions and specifications. Mil-Spec receiver extensions have a slightly smaller dimension where the stock slides on. *NOTE* These buffer tubes...
    MSRP: $69.93
    $50.00
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    MSRP: $69.93
    $50.00
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  • BCM MK2 RECOIL MITIGATION MOD1 T1

    BCM MK2 RECOIL MITIGATION MOD1 T1

    Bravo Company

    MSRP: $163.73
    $117.00
    Whether starting a new rifle build or upgrading an existing one the BCM MK2 recoil mitigation system offers less felt recoil while maintaining and improving reliability. Comes as a complete kit ready to mount on any AR pattern rifle.MANUFACTURER: Bravo...
    MSRP: $163.73
    $117.00
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    MSRP: $163.73
    $117.00
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  • BCM MK2 RECOIL MITIGATION MOD1 T0

    BCM MK2 RECOIL MITIGATION MOD1 T0

    Bravo Company

    MSRP: $153.93
    $110.00
    Whether starting a new rifle build or upgrading an existing one the BCM MK2 recoil mitigation system offers less felt recoil while maintaining and improving reliability. Comes as a complete kit ready to mount on any AR pattern rifle.MANUFACTURER: Bravo...
    MSRP: $153.93
    $110.00
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    MSRP: $153.93
    $110.00
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  • BCM MK2 BUFFER MOD1 T1

    BCM MK2 BUFFER MOD1 T1

    Bravo Company

    MSRP: $58.73
    $42.00
    The MK2 buffer (4.7oz) is offered as a stand alone option to tune AR pattern rifles that are already equipped with the MK2 recoil mitigation system. Allows fine tuning for optimal reliability and ejection pattern on rifles that are over gassed whether...
    MSRP: $58.73
    $42.00
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    MSRP: $58.73
    $42.00
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  • BCM MK2 BUFFER MOD1 T0

    BCM MK2 BUFFER MOD1 T0

    Bravo Company

    MSRP: $50.33
    $36.00
    The MK2 buffer (3.8oz) is offered as a stand alone option to tune AR pattern rifles that are already equipped with the MK2 recoil mitigation system. Allows fine tuning for optimal reliability and ejection pattern on rifles that are over gassed whether...
    MSRP: $50.33
    $36.00
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    MSRP: $50.33
    $36.00
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  • BAD SABERTUBE KIT W/ QD ENDPLATE BLK

    BAD SABERTUBE KIT W/ QD ENDPLATE BLK

    Battle Arms Development

    MSRP: $251.99
    $180.00
    The Battle Arms Development Sabertube is a butt stock that is perfect for keeping your rifle setup as lightweight as possible. Made from 7075-T6 aircraft grade aluminum, this stock is as durable as it is lightweight. This model features a built-in...
    MSRP: $251.99
    $180.00
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    MSRP: $251.99
    $180.00
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  • B5 SRK EXTENTION KIT BLK

    B5 SRK EXTENTION KIT BLK

    B5 Systems

    MSRP: $179.55
    $129.00
    The Sierra K Receiver Extension Kit is the proprietary mounting system for the Sierra K Buttstock. All parts are made of mil-spec materials and finishes and proudly Made In The USA.MANUFACTURER: B5 SystemsMPN: SRK-1660MODEL: Sierra KType: Buffer Tube...
    MSRP: $179.55
    $129.00
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    MSRP: $179.55
    $129.00
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  • ADV TECH AR15 BUFFER TUBE PKGE (MIL)

    ADV TECH AR15 BUFFER TUBE PKGE (MIL)

    ATI Outdoors

    MSRP: $71.53
    $52.00
    The Advanced Technology Int. Military-Spec Buffer Tube Assembly fits most AR-15 and AR Variants. It is not compatible with .308 Rifles. It is constructed of Military Type III Anodized, 6061 T6 Aluminum and is virtually indestructible. This package...
    MSRP: $71.53
    $52.00
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    MSRP: $71.53
    $52.00
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