Buffer System
Gas & Brass Armory stocks high-quality AR-15 buffer systems to ensure proper function and recoil management in your rifle build. Located in Brandon, FL, we offer complete buffer kits, individual buffer tubes, springs, and weights from trusted brands like Aero Precision, BCM, Geissele, and more. Whether you're building a carbine, mid-length, or pistol setup, our selection includes mil-spec and commercial options for a reliable and smooth shooting experience.
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LBE AR BUFFER TUBE KIT H1 BUFFER BLK
LBE Unlimited
MSRP: $75.99$55.00The LBE AR Buffer Tube Kit H1 Buffer BLK from LBE Unlimited is engineered to provide reliable performance and durability for AR-15 platforms. This complete assembly features a six-position mil-spec diameter buffer tube, designed to accommodate various...MSRP: $75.99$55.00 -
LBE AR15 9MM CARBINE RECOIL BUFFER
LBE Unlimited
MSRP: $27.04$17.00The LBE AR15 9MM Carbine Recoil Buffer by LBE Unlimited is engineered specifically for 9mm AR-15 variant firearms. Designed to provide optimal weight and performance, this recoil buffer helps absorb and reduce the impact of cycling, contributing to a...MSRP: $27.04$17.00 -
LBE AR MILSPEC BUFFER TUBE BRN
LBE Unlimited
MSRP: $33.96$25.00The LBE AR MILSPEC BUFFER TUBE BRN from LBE Unlimited is engineered to meet the specifications of mil-spec AR-15 buffer tubes. Designed for compatibility with all collapsible AR-15 stocks requiring a mil-spec diameter, this buffer tube offers reliable...MSRP: $33.96$25.00 -
LBE AR PISTOL BUFFER TUBE BLK
LBE Unlimited
MSRP: $33.96$25.00The LBE AR Pistol Buffer Tube in black is a durable receiver extension designed specifically for AR-15 pistol builds. Manufactured by LBE Unlimited, this buffer tube model provides a streamlined solution without provisions for mounting a buttstock,...MSRP: $33.96$25.00 -
KYNSHOT SPACER WEIGHT SLV
KynSHOT
MSRP: $30.24$22.00The KynSHOT Spacer Weight SLV is a precision-engineered component designed to enhance the performance of PCC and AR hydraulic buffer systems. Crafted by KynSHOT in collaboration with Blitzkrieg Components, this spacer weight adds 0.75 inches in length...MSRP: $30.24$22.00 -
CMMG RECEIVER EXT KIT CARBINE AR15
CMMG
MSRP: $77.06$52.00The CMMG Receiver Extension Kit for Carbine AR-15 offers a complete assembly designed to enhance the functionality of your AR-15 lower receiver. Manufactured by CMMG, this kit includes a 6-position Mil-Spec carbine receiver extension, an end plate,...MSRP: $77.06$52.00 -
CMMG BUFFER ASSEMBLY CARB MK3
CMMG
MSRP: $53.12$42.00The CMMG Buffer Assembly Carb Mk3 is engineered to provide reliable performance for AR-style rifles, specifically compatible with LR-308 Mk3 and AR-10 platforms. Manufactured by CMMG, this buffer assembly is designed to work seamlessly with the CMMG 308...MSRP: $53.12$42.00 -
CMMG BUFFER ASSEMBLY CARB MK9
CMMG
MSRP: $33.29$30.00The CMMG BUFFER ASSEMBLY CARB MK9 is a precision-engineered component designed specifically for AR-15 rifles chambered in 9mm. Manufactured by CMMG, a trusted name in firearm parts and accessories, this buffer assembly is optimized for use with...MSRP: $33.29$30.00 -
CMMG AR-15 BUFFER ASSEMBLY
CMMG
MSRP: $28.32$23.00The CMMG AR-15 Buffer Assembly is a precision-engineered component designed to enhance the performance and reliability of AR-15 style rifles. Manufactured by CMMG, a trusted name in firearm parts and accessories, this buffer assembly is specifically...MSRP: $28.32$23.00 -
CMC AR15 STANDARD BUFFER ASSEMBLY ML
CMC Triggers
MSRP: $79.80$57.00The CMC AR15 STANDARD BUFFER ASSEMBLY ML by CMC Triggers is engineered to meet Mil-Spec standards, ensuring reliable compatibility with AR-15 lower receivers and Mil-Spec stocks. This complete buffer tube assembly includes a six-position buffer tube...MSRP: $79.80$57.00 -
BCM STOCK HARDWARE MOUNT KIT MILSPEC
Bravo Company
MSRP: $81.13$58.00The Bravo Company BCM Stock Hardware Mount Kit MilSpec is a comprehensive assembly designed to securely attach Mil-Spec dimension carbine stocks to AR-15 lower receivers. This kit includes all essential components such as the Mil-Spec 6-position receiver...MSRP: $81.13$58.00 -
BCM MK2 BUFFER MOD1 T2
Bravo Company
MSRP: $69.93$50.00The Bravo Company BCM MK2 BUFFER MOD1 T2 is a precision-engineered buffer designed specifically for AR platform rifles equipped with the MK2 recoil mitigation system. Weighing 5.6 ounces, this buffer enables fine-tuning of the rifles cycling...MSRP: $69.93$50.00