Kynshot RB5000HP Recoil Buffer
The 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 buffer spring, and is a simple drop in replacement for all buffer systems on the market.