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 RECOIL SPRING CARBINE LENGTH
LBE Unlimited
MSRP: $5.68$4.00The LBE AR-15 Carbine Length Recoil Spring is made from high quality 17-7 Steel. These recoil springs are tough and dependable to ensure your rifle is at its peak performance. LBE Unlimited is a leading producer of US Made gun parts and accessories...MSRP: $5.68$4.00 -
LBE AR BUFFER TUBE KIT H1 BUFFER BLK
LBE Unlimited
MSRP: $75.99$55.00High quality components and precise manufacturing make LBE parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on. This LBE Buffer Tube Kit...MSRP: $75.99$55.00 -
LBE AR15 9MM CARBINE RECOIL BUFFER
LBE Unlimited
MSRP: $27.04$17.00LBE's 9MM Recoil Buffer is designed and properly weighted for use in 9mm AR-15 variant firearms. LBE Unlimited is a leading producer of US-Made gun parts and accessories.MANUFACTURER: LBE UnlimitedMPN: ARBUFF-9MMMODEL: Recoil BufferFit: AR-15Type: BufferMSRP: $27.04$17.00 -
LBE AR MILSPEC BUFFER TUBE KIT RED
LBE Unlimited
MSRP: $60.96$44.00This LBE Buffer Tube Kit includes a six position mil-spec diameter buffer tube, carbine length recoil spring, standard carbine recoil buffer, receiver end plate, and castle nut. LBE Unlimited is a leading producer of US Made gun parts and accessories...MSRP: $60.96$44.00 -
LBE AR PISTOL BUFFER TUBE KIT BLK
LBE Unlimited
MSRP: $60.96$44.00The LBE AR-15 pistol buffer tube receiver extension comes with no provision to mount a buttstock, allowing your pistol build to remain legally compliant. It features a foam end cap that covers the tail of the buffer tube for use in attaining a more...MSRP: $60.96$44.00 -
LBE AR MILSPEC BUFFER TUBE RED
LBE Unlimited
MSRP: $33.96$27.00The Six Position LBE Mil-Spec Spec Diameter Buffer Tube fits all collapsible AR-15 stocks that require mil-spec tubes. This item is perfect for your current build or your spare parts bin. LBE Unlimited is a leading producer of US Made gun parts and...MSRP: $33.96$27.00 -
LBE AR PISTOL BUFFER TUBE BLK
LBE Unlimited
MSRP: $33.96$27.00The LBE AR-15 pistol buffer tube receiver extension comes with no provision to mount a buttstock, allowing your pistol build to remain legally compliant. It features a foam end cap that covers the tail of the buffer tube for use in attaining a more...MSRP: $33.96$27.00 -
KYNSHOT SPACER WEIGHT SLV
KynSHOT
MSRP: $30.24$19.00The KynSHOT Spacer Weight was designed in cooperation with Blitzkrieg Components and can be used with PCC hydraulic buffers, and AR hydraulic buffers to add mass in front of the buffer. The Spacer Weight also adds .75" in length to the buffer system, and...MSRP: $30.24$19.00 -
KAK BUFF TB KIT AR CARB 3OZ
KAK Industry
MSRP: $58.79$42.00KAK Industry Mil-Spec Carbine Buffer Tube kit- Receiver ExtensionMANUFACTURER: KAK IndustryMPN: AR15-KT-003MODEL: AR-15 CarbineDescription: Buffer Tube KitFinish: AnodizedType: Buffer Tube Complete AssemblyColor: BlackMSRP: $58.79$42.00 -
KAK BUFF/SPRNG KIT AR15 K-SPEC 4.7OZ
KAK Industry
MSRP: $54.59$45.00The K-SPEC Buffer was developed with specific goals in mind- Reducing felt recoil and providing faster follow up shots. With modern technology being applied to firearms, you're likely aware of the recoil management solutions that have been applied to...MSRP: $54.59$45.00 -
CMMG RECEIVER EXT KIT CARBINE AR15
CMMG
MSRP: $77.06$54.00When you are thinking about building a new AR-15 rifle or completing that lower you have had sitting around this CMMG AR-15 Carbine Receiver Extension Kit 6-position Mil-Spec is the perfect one. This kit contains an AR-15 carbine receiver extension, end...MSRP: $77.06$54.00 -
CMMG BUFFER ASSEMBLY CARB MK3
CMMG
MSRP: $53.12$38.00CMMG'S 308 AR Carbine Buffer Assembly can be used in conjunction with the CMMG 308 carbine buffer spring in AR-15 buffer tubes. Compatible with LR-308 Mk3 and AR-10's. All CMMG parts are made in the United States from the best materials available. CMMG...MSRP: $53.12$38.00