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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Out of stock
LBE AR 308 DELTA RING ASSEMBLY
LBE Unlimited
MSRP: $32.79$20.00The LBE 308 Delta Ring Assembly includes the slip ring, snap ring and weld spring. Made in the USA.MANUFACTURER: LBE UnlimitedMPN: ARDRA308MODEL: AR 308Description: Delta Ring AssemblyType: PartColor: BlackMSRP: $32.79$20.00 -
Out of stock
LBE AK RETAINING PLATE
LBE Unlimited
MSRP: $6.91$4.00US Made AK Retaining Plate, use in place of the shepard hook spring.MANUFACTURER: LBE UnlimitedMPN: AKRPLTMODEL: AK Retaining PlateType: PartMSRP: $6.91$4.00 -
Out of stock
KAK AR-15 LPK BASIC BUILD KIT
KAK Industry
MSRP: $34.99$25.00KAK Industry was founded and incorporated in 2011 by Kurt Kosman to address a gap in the firearms market for quality, American-Made components at affordable, sustainable prices.MANUFACTURER: KAK IndustryMPN: AR15-LP-KT-02MODEL: Basic Build KitMSRP: $34.99$25.00 -
Out of stock
FORTIS K2 ENHANCD AR15 END PLATE FDE
Fortis Manufacturing Inc.
MSRP: $59.78$43.00When designing their new Lightweight Enhanced (LE) Castle Nut & End Plate System, Fortis came up with two systems that virtually eliminates the risk of your castle nut ever backing out. With two lockdown systems (K1 & K2), Fortis has engineered a...MSRP: $59.78$43.00 -
Out of stock
FORTIS END PLATE & CASTLE NUT
Fortis Manufacturing Inc.
MSRP: $32.84$20.00The Fortis Standard Castle Nut is manufactured from a solid piece of billet aircraft grade aluminum that offers a significant weight reduction to your castle nut. If you're trying to save ounces, this is a great way, but without sacrificing durability...MSRP: $32.84$20.00