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Lower Parts

Lower Parts

Build or upgrade your rifle with quality AR-15 lower parts from Gas & Brass Armory in Brandon, FL. We offer complete lower parts kits (LPKs), individual components, upgraded triggers, buffer retainers, takedown pins, and more. Whether you’re doing a full lower build or fine-tuning your trigger and controls, we carry reliable parts from Aero Precision, CMC, Rise Armament, and other trusted brands. Everything you need to finish your lower, all in one place.

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  • WMD ACCENT BUILD KIT 556 NIB-X

    WMD ACCENT BUILD KIT 556 NIB-X

    WMD Guns

    MSRP: $137.34
    $99.00
    The WMD ACCENT BUILD KIT 556 NIB-X by WMD Guns offers an excellent upgrade option for enhancing your AR-15 platform. This build kit features components treated with a nickel boron (NiB-X) coating, known for its exceptional durability and corrosion...
    MSRP: $137.34
    $99.00
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    MSRP: $137.34
    $99.00
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  • COLT LOWER RECEIVER PARTS KIT AR15

    COLT LOWER RECEIVER PARTS KIT AR15

    Colt

    MSRP: $152.95
    $110.00
    The Colt Lower Receiver Parts Kit AR15 offers a comprehensive selection of genuine Colt factory components designed specifically for the AR-15 platform. This kit provides all essential small parts needed to complete a small-pin lower receiver, allowing...
    MSRP: $152.95
    $110.00
    Qty in Cart: 0
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    MSRP: $152.95
    $110.00
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