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 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 MILSPEC BUFFER TUBE GRY
LBE Unlimited
MSRP: $33.96$25.00The LBE AR MILSPEC BUFFER TUBE GRY by LBE Unlimited is engineered to meet Mil-Spec standards, ensuring compatibility with all collapsible AR-15 stocks designed for Mil-Spec diameter tubes. Crafted with precision, 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 -
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 -
BCM MK2 BUFFER MOD1 T0
Bravo Company
MSRP: $50.33$36.00The Bravo Company BCM MK2 BUFFER MOD1 T0 is a precision-engineered buffer designed specifically for AR pattern rifles equipped with the MK2 recoil mitigation system. Weighing 3.8 ounces, this buffer allows users to fine-tune their rifles cycling,...MSRP: $50.33$36.00 -
ARMASPEC A5 SPACER FOR SRS/SMB
Armaspec
MSRP: $10.38$7.00The Armaspec A5 Spacer is a precision-engineered component designed to complement the Stealth Recoil Spring and Sound Mitigation Buffer systems in A5 style AR-15 stocks. Manufactured by Armaspec, this spacer ensures proper fit and alignment within the...MSRP: $10.38$7.00 -
ARMASPEC A2 SPACER FOR SRS/SMB
Armaspec
MSRP: $10.38$7.00The Armaspec A2 Spacer for SRS/SMB is a precision-engineered accessory designed to enhance the fit and function of A1 and A2 style fixed stocks. Manufactured by Armaspec, this spacer serves as a crucial component for those using the Stealth Recoil Spring...MSRP: $10.38$7.00 -
BAD HEAVY BUFFER SILVER
Battle Arms Development
MSRP: $32.28$28.00The Battle Arms Development BAD Heavy Buffer Silver is engineered to enhance the performance and reliability of AR-15 and M16 platforms. Designed to fit standard mil-spec collapsible buffer tubes, this heavy buffer provides consistent weight and...MSRP: $32.28$28.00 -
Out of stock
ADV TECH AR15 BUFFER SPRING
ATI Outdoors
MSRP: $10.74$6.00The ATI Outdoors ADV TECH AR15 Buffer Spring is engineered to deliver reliable performance and durability for AR15 platforms. Designed to be compatible with commercial, military, and hybrid buffer tubes, this buffer spring provides a consistent and...MSRP: $10.74$6.00 -
Out of stock
ARMASPEC BRAIDED BUFFER SPRING AR15
Armaspec
MSRP: $31.49$23.00The Armaspec Braided Buffer Spring for AR-15 rifles is engineered to enhance the performance and durability of your firearms buffer system. Featuring a unique braided design with 51 active coils, this buffer spring offers tighter compression tolerances...MSRP: $31.49$23.00