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 AR BUFFER TUBE KIT H2 BUFFER BLK
LBE Unlimited
MSRP: $91.99$71.00High quality components and precise manufacturing make LBE parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on. This LBE Buffer Tube Kit...MSRP: $91.99$71.00 -
KYNSHOT BUFFER FOR HK MR 7.62
KynSHOT
MSRP: $148.53$107.00The KynSHOT RB5030 Recoil Buffer is a hydraulic buffer system designed and optimized to fit the H&K MR762 platform. The RB5030 can only be paired with the H&K MR762, and is a simple drop-in replacement for all buffer systems on the market.MANUFACTURER:...MSRP: $148.53$107.00 -
KYNSHOT BUFFER OVR GSD AR15/CMMG PCC
KynSHOT
MSRP: $141.27$101.00The KynSHOT RB5000HP Recoil Buffer is a hydraulic buffer system designed and optimized for over gassed AR-15's and 9mm Radial Delayed Blowback systems, using a Mil-Spec carbine buffer tube (internal depth 7"). The RB5000HP can be paired with any style...MSRP: $141.27$101.00 -
KYNSHOT BUFFER AR-9 CMP SHRT STROKE
KynSHOT
MSRP: $163.02$117.00The KynSHOT RB5020SS Recoil Buffer is a hydraulic buffer system designed and optimized for competition shooters who would like to get quicker sight recovery and follow up shots when shooting with their competition PCC's. Designed in cooperation with...MSRP: $163.02$117.00 -
KYNSHOT BUFFER FOR 300 BLK AR-15
KynSHOT
MSRP: $141.27$101.00The KynSHOT RB5000L Recoil Buffer is a hydraulic buffer system designed and optimized for softer cycling, under gassed AR-15's using a Mil-Spec style carbine buffer tube (7" internal depth). The RB5000L can be paired with any style buffer spring, however...MSRP: $141.27$101.00 -
KYNSHOT BUFFER FOR AR9 3.5 -7.5 BBL
KynSHOT
MSRP: $152.15$116.00The KynSHOT RB5007 Recoil Buffer is a hydraulic buffer system designed and optimized to fit 9mm PCC's using a Mil-Spec style carbine buffer tube (internal depth 7"). The RB5007 can be paired with any style buffer spring, and is a simple drop-in...MSRP: $152.15$116.00 -
KYNSHOT BUFFER AR10 308 FIXED STOCK
KynSHOT
MSRP: $160.29$115.00The KynSHOT RB5006 Recoil Buffer is a hydraulic buffer system designed and optimized to fit any AR-10 using a Mil-Spec style rifle length A1 or A2 fixed stock buffer tube (internal depth 9.5"). The RB5006 can be paired with any style rifle buffer...MSRP: $160.29$115.00 -
KYNSHOT BUFF 308 STD CLPS STK 3.25
KynSHOT
MSRP: $151.24$115.00The KynSHOT RB5005 Recoil Buffer is a hydraulic buffer system designed and optimized to fit any AR-10 using an AR-10 length/A5 buffer tube (internal depth 7.75"). The RB5005 can be paired with any style AR-10 buffer spring, and is a simple drop-in...MSRP: $151.24$115.00 -
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 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 -
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