Have more control and get faster follow up shots with the Kynshot Hydraulic Buffer for AR-15 Carbine. The buffer reduces felt recoil 20-30%, while largely eliminating muzzle rise. To be clear: in this caliber, absolute recoil reduction is small. This buffer is a proven system that has seen heavy use with civilian competition shooters, law enforcement personnel and the US Armed Forces. This buffer is designed to fit any AR-15 with a collapsible stock. This buffer was designed for 5.56mm / .223 cal. rifles.