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 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
Luth-AR
MSRP: $5.97$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: $5.97$4.00 -
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 EXTRACTOR O RING 10-PACK
Luth-AR
MSRP: $17.04$11.00High 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: $17.04$11.00 -
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 -
LUTH AR 308 EJECTION PORT COVER ASSY
Luth-AR
MSRP: $13.94$9.00High 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: $13.94$9.00 -
LBE AK PISTOL GRIP SCREW AND BUSHING
LBE Unlimited
MSRP: $12.42$8.00LBE AK Pistol Grip Screw and Bushing, all metal with a Mag Phosphate Finish. Made in the USA.MANUFACTURER: LBE UnlimitedMPN: AKPGSBMODEL: 0Description: AK Pistol Grip Screw and BushingType: PartColor: BlackMSRP: $12.42$8.00 -
LBE AR MAG CATCH ASSEMBLY
LBE Unlimited
MSRP: $8.30$6.00The LBE mag catch assembly includes the spring, mag catch and mag release button. Made in the USA.MANUFACTURER: LBE UnlimitedMPN: ARMCASYMODEL: ARType: KitColor: BlackMSRP: $8.30$6.00 -
LBE AR 308 DELTA RING ASSEMBLY
LBE Unlimited
MSRP: $32.79$24.00The 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$24.00 -
LBE AR15 END PLATE BLK
LBE Unlimited
MSRP: $9.65$6.00The LBE AR-15 Receiver End Plate is made of steel and has a Magnesium Phosphate finish. Made in the USA.MANUFACTURER: LBE UnlimitedMPN: ARLPLTMODEL: AR-15Finish: Manganese PhosphateType: End PlateMSRP: $9.65$6.00 -
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