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
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 -
Out of stock
FORTIS STANDARD CASTLE NUT
Fortis Manufacturing Inc.
MSRP: $18.73$12.00The 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: $18.73$12.00 -
Out of stock
COLT LOWER RECEIVER PARTS KIT AR15
Colt's Manufacturing
MSRP: $152.95$110.00Convenient kit of genuine Colt factory parts includes all the small parts needed to finish a small-pin AR-15 lower receiver, and install the trigger group and pistol grip of your choice. Or, use the kit to rebuild the worn internals of an old rifle and...MSRP: $152.95$110.00 -
Out of stock
COLT FIELD REPAIR KIT M4/AR15
Colt's Manufacturing
MSRP: $54.74$40.00Prepare your AR15/M4 for anything with the Colt's Manufacturing Field Repair Kit-an essential collection of mil-spec replacement parts designed to keep your rifle running in peak condition. Whether you're facing worn components after extended range time...MSRP: $54.74$40.00 -
Out of stock
COLT BOLT REPAIR KIT M4/AR15
Colt's Manufacturing
MSRP: $32.34$16.10COLT BOLT REPAIR KIT M4/AR15MANUFACTURER: Colt's ManufacturingMPN: SPK403979MODEL: Bolt Repair KitType: KitColor: BlackMSRP: $32.34$16.10 -
Out of stock
CMMG PARTS KIT AR15 MAGAZINE CATCH
CMMG
MSRP: $18.78$10.00High quality components and precise manufacturing make CMMG parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.MANUFACTURER: CMMGMPN:...MSRP: $18.78$10.00