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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MIDWEST MP5/MP5K BUF FOR FLD STK/EPL
Midwest Industries
MSRP: $8.17$5.00The Midwest Industries MP5/MP5K Buffer is specifically designed to enhance the performance and reliability of HK MP5 and MP5K firearms. Constructed from high-quality rubber polymer, this buffer provides effective cushioning within the receiver, helping...MSRP: $8.17$5.00 -
LUTH AR 308 CARBINE BUFFER BODY
Luth-AR
MSRP: $53.94$42.00The Luth-AR 308 Carbine Buffer Body is designed specifically for AR-10, LR-308, and SR-25 style rifles equipped with a carbine buffer tube. Manufactured by Luth-AR, this buffer body serves as a critical component to ensure reliable cycling and recoil...MSRP: $53.94$42.00 -
LUTH AR DBL TUNGSTEN H2-BUFFER
Luth-AR
MSRP: $59.86$47.00The Luth-AR Double Tungsten H2 Buffer is engineered to enhance the performance of AR-style rifles. Constructed with two tungsten slugs and a single steel slug, this buffer has a total weight of approximately 4.8 ounces. The increased mass compared to...MSRP: $59.86$47.00 -
LUTH AR HEAVY CAR BUFFER ASSEMBLY
Luth-AR
MSRP: $46.05$35.00The LUTH AR Heavy Car Buffer Assembly by Luth-AR is designed to enhance the performance of AR-style rifles, particularly those with mid-length or shorter gas systems. This buffer assembly features a combination of tungsten and steel slugs, contributing...MSRP: $46.05$35.00 -
LUTH AR 223 CARBINE BUFFER BODY
Luth-AR
MSRP: $23.25$15.00The LUTH AR 223 Carbine Buffer Body by Luth-AR is engineered to optimize the recoil management of AR-style rifles chambered in .223/5.56. Designed with a standard weight configuration, this buffer incorporates three steel slugs totaling approximately 3.2...MSRP: $23.25$15.00 -
LUTH AR 223 RFL BUFFER BODY
Luth-AR
MSRP: $30.25$23.00The Luth-AR 223 Rifle Buffer Body is designed to enhance the cycling performance and reliability of AR-style rifles. Manufactured by Luth-AR, this buffer features a robust construction with five internal steel weights, offering a total weight of 5.1...MSRP: $30.25$23.00 -
LUTH AR 223 RFL/FXD BFR TUBE ASSY
Luth-AR
MSRP: $68.36$50.00The LUTH AR 223 RFL/FXD BFR TUBE ASSY by Luth-AR is a complete fixed rifle-length buffer tube assembly designed specifically for AR-15 platforms. This assembly includes an A2 length rifle buffer tube, a rifle recoil buffer, and a rifle recoil spring,...MSRP: $68.36$50.00 -
LUTH AR 9MM CARBINE BUFFER ASSEMBLY
Luth-AR
MSRP: $72.31$52.00The Luth-AR 9MM Carbine Buffer Assembly is a complete buffer tube kit designed specifically for AR-15 style rifles chambered in 9mm. This assembly includes a Mil-Spec diameter carbine buffer tube, a 9mm carbine recoil buffer, recoil spring, receiver end...MSRP: $72.31$52.00 -
UTG PRO AR PISTOL RCVR EXT TUBE BLK
Leapers Inc. - UTG
MSRP: $46.16$33.00The UTG PRO AR Pistol Receiver Extension Tube from Leapers Inc. - UTG is engineered to deliver reliable performance for AR-15 pistol builds. Constructed from 7075-T6 aircraft-grade aluminum, this buffer tube offers exceptional strength and durability...MSRP: $46.16$33.00 -
UTG PRO MIL 6 POS RCVR EXT TUBE FDE
Leapers Inc. - UTG
MSRP: $53.16$38.00The UTG PRO MIL 6 POS Receiver Extension Tube by Leapers Inc. - UTG is designed for AR-15 style rifles, offering a reliable and adjustable buffer tube solution. Crafted from high-quality 6061-T6 aircraft-grade aluminum, this extension tube ensures a...MSRP: $53.16$38.00 -
UTG PRO MIL 6 POS RCVR EXT TUBE BLK
Leapers Inc. - UTG
MSRP: $30.76$22.00The UTG PRO MIL 6 POS Receiver Extension Tube by Leapers Inc. - UTG is designed to provide reliable and adjustable support for AR-15 platforms. Constructed from aircraft-grade 6061-T6 aluminum, this buffer tube offers excellent strength and durability...MSRP: $30.76$22.00 -
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