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 RECOIL MITIGATION MOD1 T2
Bravo Company
MSRP: $173.53$124.00Whether starting a new rifle build or upgrading an existing one the BCM MK2 recoil mitigation system offers less felt recoil while maintaining and improving reliability. Comes as a complete kit ready to mount on any AR pattern rifle.MANUFACTURER: Bravo...MSRP: $173.53$124.00 -
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 -
ANGSTADT HYD BUFFER KIT 9/40/45 STD
Angstadt Arms
MSRP: $196.00$140.00Hydraulic buffer kit smooths out the recoil impulse of a straight blowback PCC. The standard damping profile is best for primarily unsuppressed applications in barrels of all sizes.MANUFACTURER: Angstadt ArmsMPN: AA09HBKSDPMODEL: Hydraulic Buffer...MSRP: $196.00$140.00 -
Out of stock
KYNSHOT BUFFER FOR AR9 HD 8 BBL
KynSHOT
$165.00The KynSHOT RB5015HD Recoil Buffer is a hydraulic buffer system designed and optimized to fit PCC's using a Mil-Spec style carbine buffer tube (internal depth 7"). The RB5015HD can be paired with any style buffer spring, and is a simple drop-in...$165.00 -
Out of stock
KYNSHOT BUFFER FOR 300 BLK AR-15
KynSHOT
$150.00The 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...$150.00 -
Out of stock
KYNSHOT BUFF 308 SHRTY CLPS STK 2.5
KynSHOT
$155.00The 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...$155.00 -
Out of stock
KYNSHOT BUFFER FOR AR-15 CARB STOCKS
KynSHOT
$150.00The 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...$150.00 -
Out of stock
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