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
KAK AR-15 LPK BASIC AMBI BUILD KIT
KAK Industry
MSRP: $44.79$32.00The KAK Industry AR-15 LPK BASIC AMBI BUILD KIT provides a streamlined solution for assembling your AR-15 lower receiver. Designed with essential components, this kit offers the fundamental parts required for a functional lower receiver build, focusing...MSRP: $44.79$32.00 -
Out of stock
KAK AR-15 LOWER PARTS KIT COMPLETE
KAK Industry
MSRP: $71.39$51.00The KAK Industry AR-15 Lower Parts Kit Complete is a comprehensive assembly designed to equip your AR-15 lower receiver with all essential components. Crafted by KAK Industry, a brand recognized for its dedication to quality and American-made firearm...MSRP: $71.39$51.00 -
Out of stock
FORTIS K2 ENHANCD AR15 END PLATE BLK
Fortis Manufacturing Inc.
MSRP: $59.78$43.00The Fortis K2 Enhanced AR15 End Plate from Fortis Manufacturing Inc. offers a refined solution for securing the castle nut on AR15 platforms. Designed as part of FortisÂ’s Lightweight Enhanced series, the K2 system incorporates precision engineering to...MSRP: $59.78$43.00 -
Out of stock
FORTIS LW ENHANCD AR15 END PLATE BLK
Fortis Manufacturing Inc.
MSRP: $53.13$38.00The Fortis Lightweight Enhanced (LW ENHANCD) AR15 End Plate by Fortis Manufacturing Inc. is engineered to provide a secure and reliable mounting point on your AR15 platform. Designed with precision, this end plate features a tapered castle nut system...MSRP: $53.13$38.00 -
Out of stock
FORTIS K1 ENHANCED END PLATE ODG
Fortis Manufacturing Inc.
MSRP: $53.13$38.00The Fortis K1 Enhanced End Plate in Olive Drab Green is a precision-engineered component from Fortis Manufacturing Inc., designed to improve the reliability of your firearmÂ’s castle nut system. This end plate features the innovative K1 Lightweight...MSRP: $53.13$38.00 -
Out of stock
FORTIS K2 ENHANCD AR15 END PLATE GRY
Fortis Manufacturing Inc.
MSRP: $59.78$43.00The Fortis K2 Enhanced AR15 End Plate in gray is a precision-engineered component designed by Fortis Manufacturing Inc. to improve the reliability and security of your AR15's castle nut assembly. Part of the Lightweight Enhanced series, this end plate...MSRP: $59.78$43.00