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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 UPPR RESOLT MK4 300BLK 16.1 AB
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    CMMG UPPR RESOLT MK4 300BLK 16.1 AB 810103473393

    CMMG

    $484.00
    CMMG 30BC40AAB Resolute MK4 300 Blackout 16.10", Armor Black, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)Resolute300 Blackout16.10"Armor BlackM-LOK Free-FloatArmor Black16" to 16.99"MK4
    $484.00
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    $484.00
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    BATTLE 223WY STK BLK
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    BATTLE 223WY STK BLK 810033785924

    Battle Arms Development

    $426.00
    Battle Arms Development VERT-V2-PDW-556 Black Fits AR-15 Compatible w/ 5.56/223Hard Black Anodized8.80"
    $426.00
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    $426.00
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    S&W RECEIVER COMPLETE LOWER RECEIVER 812002
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    S&W RECEIVER COMPLETE LOWER RECEIVER 812002

    Smith & Wesson

    $366.00
    Smith Wesson MP 15 Complete AR15 5.56 lower receiver with standard trigger group collapsible stock. It comes with standard AR15 grip.
    $366.00
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    $366.00
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    SPIKES RARE BREED CRUSADER LOWER RECEIVER STLB960
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    SPIKES RARE BREED CRUSADER LOWER RECEIVER STLB960

    SPIKES

    $369.00
    Spikes Rare Breed Crusader multicaliber stripped lower is made to the highest standards. It is constructed of 7075T6 forged aluminum with a black hard coat anodized finish. NOTE Requires a lower parts kit buffer stock to complete.
    $369.00
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    $369.00
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    RRA CMPTL RRAGE 3G UPR 5.56NATO 16
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    RRA CMPTL RRAGE 3G UPR 5.56NATO 16

    Rock River Arms

    MSRP: $540.00
    $437.00
    Rock River Arms RRAGE 3G A4 carbine upper comes chambered in 5.56mm NATO. This extruded aluminum upper receiver comes with a port door and no forward assist. Additionally, this upper is equipped with a RRA 15" RRAGE 3G M-Lok compatible handguard, a 16"...
    MSRP: $540.00
    $437.00
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    MSRP: $540.00
    $437.00
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