KynSHOT AR-15 Recoil Buffer Replacement Black. Unlike other AR rubber tips or bumpers on the market the KynSHOT replacement bumper is designed as a softer rubber to provide inherent damping features to the KynSHOT AR buffers when combined with the hydraulics. Specifications for KynSHOT AR-15 Recoil Buffer Replacement: Manufacturer: KynSHOT Color: Black Gun Make: AR Platform Gun Model: AR-15 Package Contents: KynSHOT AR-15 Recoil Buffer Replacement What firearm models does the manufacturer say KynSHOT AR-15 Recoil Buffer Replacement is compatible with? The manufacturer suggests that KynSHOT AR-15 Recoil Buffer Replacement is compatible with AR-15KynSHOT B55000046: AR-15 Recoil Buffer Replacement Black