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/M16 H3 HEAVY CARBINE BUFFER
LBE Unlimited
MSRP: $57.13$44.00The LBE AR15/M16 H3 Heavy Carbine Buffer from LBE Unlimited is engineered to optimize the cycling performance of your AR-15 or M16 platform. Designed specifically for carbine-length buffer tubes, this buffer incorporates three tungsten weights to provide...MSRP: $57.13$44.00 -
LBE AR15/M16 H2 HEAVY CARBINE BUFFER
LBE Unlimited
MSRP: $47.63$37.00The LBE AR15/M16 H2 Heavy Carbine Buffer by LBE Unlimited is designed to optimize the cycling performance of your AR15 or M16 platform. Engineered specifically for carbine-length buffer tubes, this buffer features a combination of two tungsten weights...MSRP: $47.63$37.00 -
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 -
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 RECEIVER EXTENSION
Bravo Company
MSRP: $69.93$50.00The Bravo Company BCM MK2 Receiver Extension is engineered to meet Mil-Spec dimensions and specifications, ensuring reliable compatibility with AR-style rifles such as the AR15, M16, and M4 platforms. Crafted from durable 7075T6 aluminum, this receiver...MSRP: $69.93$50.00 -
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 rifleÂ’s cycling...MSRP: $69.93$50.00 -
BCM MK2 BUFFER MOD1 T1
Bravo Company
MSRP: $58.73$42.00The Bravo Company BCM MK2 BUFFER MOD1 T1 is designed to enhance the performance of AR-pattern rifles already equipped with the MK2 recoil mitigation system. Weighing 4.7 ounces, this buffer allows for precise tuning to optimize cycling reliability and...MSRP: $58.73$42.00 -
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 rifleÂ’s cycling,...MSRP: $50.33$36.00 -
ARMASPEC SOUND MIT BUFFER AR10 GEN 3
Armaspec
MSRP: $75.59$54.00The Armaspec Sound Mit Buffer AR10 Gen 3 is a precision-engineered replacement buffer designed to enhance the performance of AR10-style rifles. This single-stage captured buffer serves as a direct drop-in upgrade for standard buffers, providing a...MSRP: $75.59$54.00 -
ARMASPEC SOUND MIT BUFFER AR9 GEN 3
Armaspec
MSRP: $75.59$54.00The Armaspec Sound Mit Buffer AR9 Gen 3 is engineered to enhance the performance of your AR9 platform by replacing the standard buffer and spring assembly with a single-stage, captured drop-in unit. This innovative design minimizes contact between the...MSRP: $75.59$54.00