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$17.00LBE'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 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 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 -
KAK AR15 BUFFER TUBE M16 A5 CARBINE
KAK Industry
MSRP: $50.39$36.00For AR-15 builds the A5 Style Buffer Tube is only compatible with A5 Style Buffers and Rifle Length AR-15 buffer springs, do not use standard buffers with the A5 tube for AR-15 buildsMANUFACTURER: KAK IndustryMPN: 515-0604-001MODEL: A5 StyleDescription:...MSRP: $50.39$36.00 -
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 MK9
CMMG
MSRP: $33.29$30.00The CMMG MK9 AR-15 9mm Carbine Buffer is a replacement buffer for AR-15's/M4's that are chambered in 9mm luger using a carbine receiver extension.MANUFACTURER: CMMGMPN: 90CA9B4MODEL: 0Fit: AR RiflesType: BufferColor: BlackMSRP: $33.29$30.00 -
CMMG AR-15 BUFFER ASSEMBLY
CMMG
MSRP: $28.32$28.00CMMG manufactures high quality parts and accessories for the AR-15 platform. This CMMG AR-15 Buffer Assembly is a replacement buffer for AR-15's/M4's that are using a carbine receiver extension.MANUFACTURER: CMMGMPN: 55CA977MODEL: 0Description: Buffer is...MSRP: $28.32$28.00 -
CMC AR15 STANDARD BUFFER ASSEMBLY ML
CMC Triggers
MSRP: $79.80$57.00Compatible with Mil-Spec AR-15 stocks this kit contains all the necessary parts to mount a stock assembly onto your lower receiver. Six position AR-15 buffer tube is machined from 7075 T6 aluminum to Mil-Spec dimensions with a Type III Class II hard coat...MSRP: $79.80$57.00 -
BCM STOCK HARDWARE MOUNT KIT MILSPEC
Bravo Company
MSRP: $81.13$58.00Bravo Company's BCM Mil-Spec Carbine Stock Hardware Mounting Kit for AR-15's contains all the necessary parts to mount your Mil-Spec dimension stock assembly to your lower receiver- Receiver Extension (Mil-Spec, 6 position), Receiver End Plate, Castle...MSRP: $81.13$58.00 -
BAD 6 POSITION BUFFER TUBE
Battle Arms Development
MSRP: $44.80$32.00This Battle Arms Development 6 Position Carbine Buffer Tube is constructed from 7075-T6 aircraft-grade aluminum has a hard black anodized finish, will fit all standard AR15/M16/M4 lower receivers, and is made in the USA. Battle Arms Development, Inc. (B...MSRP: $44.80$32.00 -
ADV TECH AR15 BUFFER TUBE PKGE (MIL)
ATI Outdoors
MSRP: $71.53$52.00The Advanced Technology Int. Military-Spec Buffer Tube Assembly fits most AR-15 and AR Variants. It is not compatible with .308 Rifles. It is constructed of Military Type III Anodized, 6061 T6 Aluminum and is virtually indestructible. This package...MSRP: $71.53$52.00 -
ADV TECH AR10 MIL TUBE ASSEMBLY BLK
ATI Outdoors
MSRP: $76.22$55.00Advanced Technology makes high quality firearm components for the AR PlatformMANUFACTURER: ATI OutdoorsMPN: A.5.10.2552MODEL: 0Description: AR10 Buffer Tube AssemblyFit: AR-10Type: Buffer Tube Complete AssemblyColor: BlackMSRP: $76.22$55.00