KynSHOT RB5007 Recoil Buffer for 9MM PCCThe 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 replacement for all buffer systems on the market. Designed in cooperation with Blitzkrieg Components, the RB5007 reduces felt recoil by 30%, improving the shooters overall accuracy and eliminating muzzle flip.