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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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 -
ADV TECH AR15 BUFFER TUBE PKGE (MIL)
ATI Outdoors
MSRP: $71.53$51.61The 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$51.61 -
ARMASPEC STEALTH RECOIL SPRING 9 G4
Armaspec
MSRP: $107.09$76.49The Stealth Recoil Spring SRS GEN4 is a self-contained multi-stage drop-in replacement for your standard buffer and spring. The SRS is designed to keep the buffer spring from rubbing against the inner wall of the buffer tube providing smooth, quiet...MSRP: $107.09$76.49 -
Out of stock
ANGSTADT 9/40/45ACP 10OZ BUFFER KIT
Angstadt Arms
MSRP: $126.00$90.00Complete 10oz 9mm (AR9/PCC) extra heavy buffer kit gives you everything you need to get your 9mm, 40 S&W, or 45 ACP AR9/PCC running smoothly. Compatible with both GLOCK and Colt-style magazines.MANUFACTURER: Angstadt ArmsMPN: AA40BUFKITMODEL: Buffer...MSRP: $126.00$90.00 -
ANGSTADT 40SW/45ACP BUFFER KIT
Angstadt Arms
MSRP: $85.40$61.00The Angstadt Arms 9mm heavy buffer assembly kit is compatible with blowback AR-9 style firearms chambered in 9mm, 40S and W and 45ACP. Includes 8oz solid state buffer and carbine buffer spring.MANUFACTURER: Angstadt ArmsMPN: AA45BUFKITMODEL: Buffer &...MSRP: $85.40$61.00 -
ANGSTADT 9MM BUFFER KIT BLK
Angstadt Arms
MSRP: $72.80$52.00The Angstadt Arms 9mm buffer assembly kit is compatible with both GLOCK and Colt style 9mm AR-15's. Weighing 5.4oz, this buffer is tough enough to withstand the abuse of blowback 9mm firearms and features a dedicated buffer spacer to limit overtravel of...MSRP: $72.80$52.00 -
ANGSTADT HYD BUFFER KIT 9/40/45 HVY
Angstadt Arms
MSRP: $200.20$143.00Hydraulic buffer kit smooths out the recoil impulse of a straight blowback PCC. The heavy damping profile is best for suppressed applications or unsuppressed barrels longer than 8".MANUFACTURER: Angstadt ArmsMPN: AA09HBKHDPMODEL: Hydraulic Buffer...MSRP: $200.20$143.00 -
Out of stock
AERO AR15 ENHCD CARB BUFFER KIT ODG
Aero Precision
MSRP: $107.79$76.99The AR15 Enhanced Carbine Buffer Kit is the perfect complement to standard AR15 rifle builds. This kit highlights their Enhanced Carbine Buffer Tube that delivers features that increase the reliability, security, and simplicity of your build...MSRP: $107.79$76.99 -
Out of stock
AERO AR15 ENHCD CARB BUFFER KIT BRN
Aero Precision
MSRP: $107.79$76.99The AR15 Enhanced Carbine Buffer Kit is the perfect complement to standard AR15 rifle builds. This kit highlights their Enhanced Carbine Buffer Tube that delivers features that increase the reliability, security, and simplicity of your build...MSRP: $107.79$76.99 -
Out of stock
BAD H2 BUFFER SILVER
Battle Arms Development
MSRP: $44.83$32.02The Battle Arms Development Mil-spec buffers is your top choice for your next build. Featuring the ability to drop into any collapsible AR15/M16 buffer tube, their buffers are built to last.MANUFACTURER: Battle Arms DevelopmentMPN: AR15-BUFFER-H2MODEL:...MSRP: $44.83$32.02 -
Out of stock
BAD HEAVY BUFFER SILVER
Battle Arms Development
MSRP: $32.28$23.06The Battle Arms Development Mil-spec buffers is your top choice for your next build. Featuring the ability to drop into any collapsible AR15/M16 buffer tube, their buffers are built to last.MANUFACTURER: Battle Arms DevelopmentMPN: AR15-BUFFER-HMODEL:...MSRP: $32.28$23.06 -
Out of stock
BAD CARBINE BUFFER SILVER
Battle Arms Development
MSRP: $26.24$13.06The Battle Arms Development Mil-spec buffers is your top choice for your next build. Featuring the ability to drop into any collapsible AR15/M16 buffer tube, their buffers are built to last.MANUFACTURER: Battle Arms DevelopmentMPN: AR15-BUFFER-CMODEL:...MSRP: $26.24$13.06