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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KYNSHOT BUFF 308 SHRTY CLPS STK 2.5
KynSHOT
MSRP: $147.60$106.00The KynSHOT RB5004 Recoil Buffer is a hydraulic buffer system designed and optimized to fit any AR-10 using a Mil-Spec style carbine buffer tube (internal depth 7"). The RB5004 can be paired with any style AR-10 buffer spring, and is a simple drop-in...MSRP: $147.60$106.00 -
KYNSHOT BUFFER FOR FIXED STOCK AR-15
KynSHOT
MSRP: $170.25$122.00The KynSHOT RB5001 Recoil Buffer is a hydraulic buffer system designed and optimized to fit any AR-15 using a Mil-Spec style rifle length A1 or A2 fixed stock buffer tube (internal depth 9.5"). The RB5001 can be paired with any style rifle buffer spring,...MSRP: $170.25$122.00 -
KYNSHOT BUFFER FOR AR-15 CARB STOCKS
KynSHOT
MSRP: $139.45$100.00The KynSHOT RB5000 Recoil Buffer is a hydraulic buffer system designed and optimized to fit any AR-15 using a Mil-Spec style carbine buffer tube (internal depth 7"). The RB5000 can be paired with any style buffer spring, and is a simple drop-in...MSRP: $139.45$100.00 -
KAK BUFF/SPRN KT M16 K5 K-SPEC 7.3OZ
KAK Industry
MSRP: $76.99$62.00The 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: $76.99$62.00 -
KAK BUFF/SPRN KT M16 K5 K-SPEC 5.6OZ
KAK Industry
MSRP: $58.79$49.00The 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: $58.79$49.00 -
KAK BUFF/SPRN KT M16 K5 K-SPEC 4.7OZ
KAK Industry
MSRP: $50.39$43.00The 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: $50.39$43.00 -
GEISSELE SPR 42 BRD WIRE BFR/SPR H3
Geissele Automatics
MSRP: $151.37$109.00The Geissele Super 42 Buffer Spring/Buffer Combo was designed to improve the function and reliability of your AR-15 pattern rifle. Its unique spring design uses three independent strands of wire. This concept acts as a harmonic damper and energy absorber...MSRP: $151.37$109.00 -
GEISSELE SPR 42 BRD WIRE BFR/SPR H2
Geissele Automatics
MSRP: $127.09$91.00The Geissele Super 42 Buffer Spring/Buffer Combo was designed to improve the function and reliability of your AR-15 pattern rifle. Its unique spring design uses three independent strands of wire. This concept acts as a harmonic damper and energy absorber...MSRP: $127.09$91.00 -
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 -
CMMG BUFFER ASSEMBLY CARB MK9
CMMG
MSRP: $33.29$27.00The 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$27.00 -
CMMG AR-15 BUFFER ASSEMBLY
CMMG
MSRP: $28.32$21.00CMMG 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$21.00