Kynshot RB5030 Recoil Buffer Stainless Steel H&K MR762The KynSHOT 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. The buffers patented technology absorbs the recoil impulse from the bolt carriers rearward motion, preventing bolt bounce as a new round is chambered. The RB5030 reduces felt recoil by 30%, improving the shooters overall