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
-
B5 TRIGGER GUARD COMPOSITE FDE
B5 Systems
MSRP: $11.76$8.00The B5 Systems Bravo trigger guard offers a drop in upgrade over the standard AR trigger guard. The enlarged profile allows for glove use in cold weather or tactical operation. Proudly made in the USA.MANUFACTURER: B5 SystemsMPN: PTG-1128MODEL: 0Type:...MSRP: $11.76$8.00 -
B5 TRIGGER GUARD COMPOSITE BLK
B5 Systems
MSRP: $11.76$8.00The B5 Systems Bravo trigger guard offers a drop in upgrade over the standard AR trigger guard. The enlarged profile allows for glove use in cold weather or tactical operation. Proudly made in the USA.MANUFACTURER: B5 SystemsMPN: PTG-1127MODEL: 0Type:...MSRP: $11.76$8.00 -
B5 TRIGGER GUARD FDE
B5 Systems
MSRP: $31.35$19.00The B5 Systems Bravo trigger guard offers a drop in upgrade over the standard AR trigger guard. The enlarged profile allows for glove use in cold weather or tactical operation. The trigger guard also maintains the original swing down function for use...MSRP: $31.35$19.00 -
B5 TRIGGER GUARD BLK
B5 Systems
MSRP: $31.35$19.00The B5 Systems Bravo trigger guard offers a drop in upgrade over the standard AR trigger guard. The enlarged profile allows for glove use in cold weather or tactical operation. The trigger guard also maintains the original swing down function for use...MSRP: $31.35$19.00 -
B5 END PLATE BLK
B5 Systems
MSRP: $31.35$19.00The B5 Systems Quick Disconnect End Plate provides users with an alternative attachment point for single point sling use. The limited rotation one piece steel construction allows for proper staking and a lifetime of service. The milspec manganese...MSRP: $31.35$19.00 -
ADV TECH AR15 CASTLE NUT
ATI Outdoors
MSRP: $12.47$8.00High 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: $12.47$8.00 -
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$12.00High 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$12.00 -
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 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 -
Out of stock
LBE AK RETAINING PLATE
LBE Unlimited
MSRP: $6.91$4.00US Made AK Retaining Plate, use in place of the shepard hook spring.MANUFACTURER: LBE UnlimitedMPN: AKRPLTMODEL: AK Retaining PlateType: PartMSRP: $6.91$4.00 -
Out of stock
KAK AR-15 LPK BASIC AMBI BUILD KIT
KAK Industry
MSRP: $44.79$32.00Everything you need for your custom build, and nothing you don't. Just the basics from KAK.MANUFACTURER: KAK IndustryMPN: AR15-LP-KT-03MODEL: AR-15 LPKMSRP: $44.79$32.00