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 T1
Bravo Company
MSRP: $58.73$42.00The MK2 buffer (4.7oz) is offered as a stand alone option to tune AR pattern rifles that are already equipped with the MK2 recoil mitigation system. Allows fine tuning for optimal reliability and ejection pattern on rifles that are over gassed whether...MSRP: $58.73$42.00 -
BCM MK2 BUFFER MOD1 T0
Bravo Company
MSRP: $50.33$36.00The MK2 buffer (3.8oz) is offered as a stand alone option to tune AR pattern rifles that are already equipped with the MK2 recoil mitigation system. Allows fine tuning for optimal reliability and ejection pattern on rifles that are over gassed whether...MSRP: $50.33$36.00 -
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 -
B5 SRK EXTENTION KIT BLK
B5 Systems
MSRP: $179.55$129.00The Sierra K Receiver Extension Kit is the proprietary mounting system for the Sierra K Buttstock. All parts are made of mil-spec materials and finishes and proudly Made In The USA.MANUFACTURER: B5 SystemsMPN: SRK-1660MODEL: Sierra KType: Buffer Tube...MSRP: $179.55$129.00 -
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 -
ARMASPEC CARB BFF TUBE KIT W/ EP/CN
Armaspec
MSRP: $49.13$36.00Founded in 2013, Armaspec is a U.S. manufacturer of firearm accessories for the AR, Glock, AK, 1911, and other platforms. Armaspec focus's on producing quality, innovative products that offer a tactical advantage, at a fair price, all made in the U.S...MSRP: $49.13$36.00 -
ARMASPEC SRS BUFFER KIT AR10 GEN 4
Armaspec
MSRP: $152.45$109.00The Armaspec enhanced buffer tube kit contains all the necessary parts required to mount a stock assembly on to a lower receiver. The buffer tube kit, contains a mil-spec 7075-T6 6 position buffer tube, a steel castle nut and end plate as well as a SRS...MSRP: $152.45$109.00 -
ARMASPEC SRS BUFFER KIT BB GEN 4
Armaspec
MSRP: $152.45$109.00The Armaspec enhanced buffer tube kit contains all the necessary parts required to mount a stock assembly on to a lower receiver. The buffer tube kit, contains a mil-spec 7075-T6 6 position buffer tube, a steel castle nut and end plate as well as a SRS...MSRP: $152.45$109.00 -
ARMASPEC SRS BUFFER KIT H3 GEN 4
Armaspec
MSRP: $152.45$109.00The Armaspec enhanced buffer tube kit contains all the necessary parts required to mount a stock assembly on to a lower receiver. The buffer tube kit, contains a mil-spec 7075-T6 6 position buffer tube, a steel castle nut and end plate as well as a SRS...MSRP: $152.45$109.00 -
ARMASPEC SRS BUFFER KIT H2 GEN 4
Armaspec
MSRP: $152.45$109.00The Armaspec enhanced buffer tube kit contains all the necessary parts required to mount a stock assembly on to a lower receiver. The buffer tube kit, contains a mil-spec 7075-T6 6 position buffer tube, a steel castle nut and end plate as well as a SRS...MSRP: $152.45$109.00 -
ARMASPEC SRS BUFFER KIT H GEN 4
Armaspec
MSRP: $152.45$109.00The Armaspec enhanced buffer tube kit contains all the necessary parts required to mount a stock assembly on to a lower receiver. The buffer tube kit, contains a mil-spec 7075-T6 6 position buffer tube, a steel castle nut and end plate as well as a SRS...MSRP: $152.45$109.00