AR15 Parts
Gas & Brass Armory is your trusted source for AR-15 parts in Brandon, FL. Whether you're upgrading your current rifle or building a custom AR from the ground up, we stock high-quality components from top manufacturers like Aero Precision, Magpul, Radian Weapons, BCM, Geissele, and more. Shop complete uppers, stripped lowers, triggers, handguards, buffer kits, barrels, and everything you need for your next AR build. Our expert staff is here to help you build it right the first time.
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B5 SRK EXTENTION KIT BLK
B5 Systems
MSRP: $179.55$128.25The 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$128.25 -
ADV TECH AR10 MIL TUBE ASSEMBLY BLK
ATI Outdoors
MSRP: $76.22$54.44Advanced 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$54.44 -
ARMASPEC CARB BFF TUBE KIT W/ EP/CN
Armaspec
MSRP: $49.13$35.09Founded 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$35.09 -
ARMASPEC SRS BUFFER KIT AR10 GEN 4
Armaspec
MSRP: $152.45$108.89The 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$108.89 -
ARMASPEC SRS BUFFER KIT BB GEN 4
Armaspec
MSRP: $152.45$108.89The 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$108.89 -
ARMASPEC SRS BUFFER KIT H3 GEN 4
Armaspec
MSRP: $152.45$108.89The 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$108.89 -
ARMASPEC SRS BUFFER KIT H2 GEN 4
Armaspec
MSRP: $152.45$108.89The 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$108.89 -
ARMASPEC SRS BUFFER KIT H GEN 4
Armaspec
MSRP: $152.45$108.89The 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$108.89 -
ARMASPEC SRS BUFFER KIT C GEN 4
Armaspec
MSRP: $152.45$108.89The 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$108.89 -
ARMASPEC SMB BUFFER KIT AR10 GEN 3
Armaspec
MSRP: $120.95$86.39The Armaspec SMB Kit comes with everything needed to complete your rifle build. This Kit comes with Armaspec's SMB ( Sound Mitigation Buffer), a superior upgrade buffer in place of the OEM mil-spec buffer springs and weights.MANUFACTURER: ArmaspecMPN:...MSRP: $120.95$86.39 -
ARMASPEC SMB BUFFER KIT AR9 GEN 3
Armaspec
MSRP: $120.95$86.39The Armaspec SMB Kit comes with everything needed to complete your rifle build. This Kit comes with Armaspec's SMB ( Sound Mitigation Buffer), a superior upgrade buffer in place of the OEM mil-spec buffer springs and weights.MANUFACTURER: ArmaspecMPN:...MSRP: $120.95$86.39 -
ARMASPEC SMB BUFFER KIT H3 GEN 3
Armaspec
MSRP: $120.95$86.39The Armaspec SMB Kit comes with everything needed to complete your rifle build. This Kit comes with Armaspec's SMB ( Sound Mitigation Buffer), a superior upgrade buffer in place of the OEM mil-spec buffer springs and weights.MANUFACTURER: ArmaspecMPN:...MSRP: $120.95$86.39