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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ADV TECH AR15 GRIP SCREW/WASHER
ATI Outdoors
MSRP: $4.64$3.00This grip screw set can be used for a new build or as a replacement for that frustrating OEM flat head screw. It comes with a steel 1/4-28 x 1" Hex bolt and a steel star washer.MANUFACTURER: ATI OutdoorsMPN: A.5.10.2548MODEL: 0Description: AR Pistol Grip...MSRP: $4.64$3.00 -
ADV TECH LOP QUICK STOP
ATI Outdoors
MSRP: $22.51$14.00High quality components and precise manufacturing make Advance Tech 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: ATI...MSRP: $22.51$14.00 -
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
STRIKE AR ANTI-WALK PINS BLK
Strike Industries
MSRP: $24.67$15.00The SI Anti-Walk/Anti-Rotation Pin Set is a fantastic piece of hardware that adds an extra degree of security to prevent your trigger pins from walking out under fire or harsh use.MANUFACTURER: Strike IndustriesMPN: SI-AR-AWPMODEL: 0Description: Ultra...MSRP: $24.67$15.00 -
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 AMBI SAFETY SELECTOR AR15
Luth-AR
MSRP: $38.15$28.00Ambidextrous Mil-Spec AR-15 safety selector with Manganese Phosphate finish.MANUFACTURER: Luth-ARMPN: LR-08BMODEL: 0Type: PartColor: BlackMSRP: $38.15$28.00 -
Out of stock
LUTH AR .750 ADJUSTABLE GAS BLOCK
Luth-AR
MSRP: $31.42$22.00Designed to fit barrels with a .750 diameter, this high-quality piece helps to improve the performance of your firearm. It's made from durable materials and easy to install, making it a must-have for any AR owner. Plus, its low-profile design won't add...MSRP: $31.42$22.00 -
Out of stock
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 -
Out of stock
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 -
Out of stock
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 -
Out of stock
LBE AK PISTOL GRIP SCREW AND BUSHING
LBE Unlimited
MSRP: $12.42$7.00LBE 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$7.00 -
Out of stock
LBE AR MAG CATCH ASSEMBLY
LBE Unlimited
MSRP: $8.30$5.00The 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$5.00