Kynshot RB5004 Stainless Steel AR-PlatformThe 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. The buffers absorb the recoil impulse from the bolt carriers rearward motion, preventing bolt bounce as a new round is chambered. The RB5004 reduces felt recoil by 30%, improving the shooters overall accuracy and eliminating