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 Guns
MSRP: $137.34$99.00The 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 -
COLT LOWER RECEIVER PARTS KIT AR15
Colt
MSRP: $152.95$110.00The 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