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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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 -
B5 SRK EXTENTION KIT BLK
B5 Systems
MSRP: $179.55$129.00The B5 Systems SRK Extension Kit is designed to provide a durable and reliable buffer tube assembly compatible with the Sierra K line of buttstocks. Crafted from mil-spec materials, this extension kit ensures strength and longevity under demanding...MSRP: $179.55$129.00 -
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 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 -
ARMASPEC SOUND MIT BUFFER H2 GEN 3
Armaspec
MSRP: $75.59$54.00The Armaspec Sound Mit Buffer H2 Gen 3 is a precision-engineered buffer designed to enhance the operation of your firearm's buffer system. As a single-stage, captured drop-in replacement, this buffer improves the cycling experience by minimizing friction...MSRP: $75.59$54.00 -
ARMASPEC SOUND MIT BUFFER H GEN 3
Armaspec
MSRP: $75.59$54.00The Armaspec Sound Mit Buffer H Gen 3 is a precision-engineered buffer designed to enhance the performance and operation of compatible firearms. As a single-stage captured drop-in replacement, this buffer minimizes friction by preventing the buffer...MSRP: $75.59$54.00 -
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 -
ANGSTADT 40SW/45ACP BUFFER KIT
Angstadt Arms
MSRP: $85.40$61.00The Angstadt Arms 40SW/45ACP Buffer Kit is designed to enhance the performance and reliability of AR-style pistols and carbines chambered in .40 S&W and .45 ACP. This kit includes a solid-state 8-ounce buffer paired with a compatible carbine buffer...MSRP: $85.40$61.00 -
ANGSTADT 9MM BUFFER KIT BLK
Angstadt Arms
MSRP: $72.80$52.00The Angstadt 9mm Buffer Kit BLK, designed by Angstadt Arms, is engineered specifically for 9mm AR-15 platforms compatible with GLOCK and Colt style magazines. This buffer kit includes a robust 9mm buffer, a dedicated buffer spacer, and a carbine buffer...MSRP: $72.80$52.00