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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LUTH AR FORWARD ASSIST ASSEMBLY
Luth-AR
MSRP: $22.11$14.00Forward assist assembly for AR-15.MANUFACTURER: Luth-ARMPN: UR-08-RMODEL: 0Type: PartMSRP: $22.11$14.00 -
LUTH AR EJECTION PORT COVER ASSEMBLY
Luth-AR
MSRP: $11.62$8.00Ejection Port Cover Assembly for AR-15.MANUFACTURER: Luth-ARMPN: UR-05AMODEL: 0Type: PartMSRP: $11.62$8.00 -
LUTH AR PADDLE OVERSIZED BOLT CATCH
Luth-AR
MSRP: $28.88$21.00The Paddle Oversize Bolt Catch allows easy and rapid bolt manipulation. The large paddle facilitates positive bolt release and locking.MANUFACTURER: Luth-ARMPN: LR-11LMODEL: 0Type: PartColor: BlackMSRP: $28.88$21.00 -
LUTH AR CARBINE LOCK RING/CASTLE NUT
Luth-AR
MSRP: $7.84$5.00High quality components and precise manufacturing make LuthAR 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:...MSRP: $7.84$5.00 -
LUTH AR CARBINE LATCH PLATE
Luth-AR
MSRP: $5.05$4.00High quality components and precise manufacturing make LuthAR 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:...MSRP: $5.05$4.00 -
LUTH AR FIELD REPAIR KIT AR15
Luth-AR
MSRP: $39.47$29.00Keep your AR running smoothly with Luth-AR's Field Repair Kit. It includes the most common parts you need to fix common issues and get your rifle back to peak performance. With durable materials and easy-to-use instructions, this kit is a must-have for...MSRP: $39.47$29.00 -
LUTH AR PADDLE BOLT CATCH 308
Luth-AR
MSRP: $32.83$24.00The Paddle .308 Oversize Bolt Catch allows easy and rapid bolt manipulation. The large paddle facilitates positive bolt release and locking. It is perfect for use in competition where high-speed manipulation counts, as well as hunting, law enforcement,...MSRP: $32.83$24.00 -
LUTH AR HELICAL 1 PIECE GAS RING 308
Luth-AR
MSRP: $6.75$5.00High quality components and precise manufacturing make LuthAR 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:...MSRP: $6.75$5.00 -
LUTH AR TEARDROP FORWARD ASSIST ASSY
Luth-AR
MSRP: $29.87$19.00Maintain the smooth operation of your AR-15 with Luth-AR's complete teardrop forward assembly. This high-quality set includes all the components you need to properly install your forward assist, including the teardrop forward assist, assist spring, and...MSRP: $29.87$19.00 -
LBE AR CASTLE NUT
LBE Unlimited
MSRP: $10.63$7.00The LBE AR-15 Castle Nut is made of 4140 steel and has a Magnesium Phosphate finish. Made in the USA.MANUFACTURER: LBE UnlimitedMPN: ARCNUTMODEL: Castle NutFinish: Manganese PhosphateType: Castle NutMSRP: $10.63$7.00 -
LBE AR TRIGGER GUARD
LBE Unlimited
MSRP: $6.91$5.00Standard AR15 Trigger Guard.MANUFACTURER: LBE UnlimitedMPN: AR15TGMODEL: 0Description: AluminumType: Trigger GuardMSRP: $6.91$5.00 -
LBE AR SWIVEL ASSEMBLY
LBE Unlimited
MSRP: $11.32$7.00AR Swivel Assembly, included is a Mil Spec Swivel and RivetMANUFACTURER: LBE UnlimitedMPN: ARSWIVMODEL: AR Swivel AssemblyType: PartMSRP: $11.32$7.00