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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Out of stock
NOVESKE QUICK DETACH END PLATE BLK
Noveske
MSRP: $41.64$30.00Carbine Receiver End Plate with QD Sling Swivel Attachment made by Noveske.MANUFACTURER: NoveskeMPN: 05000094MODEL: Quick Detach MountDescription: Quick DetachType: MountColor: BlackMSRP: $41.64$30.00 -
Out of stock
SEEKINS BILLET AR TRIGGER GUARD BLK
Seekins Precision
MSRP: $33.60$24.00The Seekins Precision Billet Trigger Guard is a functional upgrade for any Mil-Spec lower receiver. Machined from a solid piece of 6061-T6, the profile and size accommodate winter gloves while maintaining precise trigger control.MANUFACTURER: Seekins...MSRP: $33.60$24.00 -
Out of stock
LUTH AR TAKEDOWN PIN DETENT W/SPG 10
Luth-AR
MSRP: $31.78$20.00LUTH-AR 10-Pack of takedown pin detents and detent springs.MANUFACTURER: Luth-ARMPN: LR-15A-10MODEL: 0Type: PartMSRP: $31.78$20.00 -
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 AR15 SELECTOR DETENT 20PK
LBE Unlimited
MSRP: $16.57$9.00This is a 20-pack of AR-15 selector detents made of 12L14 steel. Made in the USA.MANUFACTURER: LBE UnlimitedMPN: ARSLDT20PKMODEL: 0Description: DetentType: PartMSRP: $16.57$9.00 -
Out of stock
KAK AR-15 LOWER PARTS KIT NO FCG
KAK Industry
MSRP: $44.79$32.00KAK 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: 506-1015-009MODEL: AR-15 Lower Parts...MSRP: $44.79$32.00 -
Out of stock
FORTIS K2 ENHANCD AR15 END PLATE BLK
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 LW ENHANCD AR15 END PLATE BLK
Fortis Manufacturing Inc.
MSRP: $53.13$38.00The K1 system features a tapered castle nut that seals itself onto the end plate. This ultra precision snug fit allows the castle nut to seat and seal itself into place without the need of staking the end plate. No ratcheting, no set screws, no backing...MSRP: $53.13$38.00 -
Out of stock
FORTIS K2 ENHANCD AR15 END PLATE GRY
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 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 -
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