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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SYLVAN AR FOLDING STK ADAPTER G4 RH
Sylvan Arms
MSRP: $249.19$177.99The Folding Stock Adapter allows you to fold your stock and significantly reduce the length of your rifle for easy stow and travel. The Gen 4 AR Folding Adapter sits closer to your AR lower to reduce the length and any gaps. Turn your rifle into a...MSRP: $249.19$177.99 -
SYLVAN AR FOLDING STK ADAPTER G4 LH
Sylvan Arms
MSRP: $249.19$177.99The Folding Stock Adapter allows you to fold your stock and significantly reduce the length of your rifle for easy stow and travel. The Gen 4 AR Folding Adapter sits closer to your AR lower to reduce the length and any gaps. Turn your rifle into a...MSRP: $249.19$177.99 -
Out of stock
WMD ACCENT BUILD KIT 556 RED
WMD Guns
MSRP: $207.90$148.50The color coated parts included are: Ejection Port Cover Door, Forward Assist, Castle Nut, Receiver End Plate, Bolt Catch, Mag Lever, Mag Button, Pivot Pin, Takedown Pin, Trigger Guard, Buffer Retainer. Also includes the pins and spring kit for the Lower...MSRP: $207.90$148.50 -
Out of stock
WMD ACCENT BUILD KIT 556 FDE
WMD Guns
MSRP: $207.90$148.50The color coated parts included are: Ejection Port Cover Door, Forward Assist, Castle Nut, Receiver End Plate, Bolt Catch, Mag Lever, Mag Button, Pivot Pin, Takedown Pin, Trigger Guard, Buffer Retainer. Also includes the pins and spring kit for the Lower...MSRP: $207.90$148.50