KynSHOT RB5004 Shorty Hydraulic Recoil Buffer Features The KynSHOT RB5004 is a hydraulic recoil buffer engineered specifically for AR-10 and 7.62mm/.308 rifles running a Mil-Spec style carbine buffer tube with a 7 inch internal depth which is 3/4 inch shorter than an Armalite AR-10 collapsible stock tube. Inside the buffer a hydraulic mechanism absorbs the sharp recoil impulse generated as the bolt carrier travels rearward smoothing out what is normally a jarring cycle on larger caliber AR platforms. By controlling that impulse the RB5004 prevents bolt bounce which helps the bolt carrier lock up more consistently as a fresh round chambers. Reducing felt recoil by 20 to 30 percent translates directly into faster follow-up shots and improved control during rapid strings of fire. Constructed from stainless steel for corrosion resistance and long-term durability the RB5004 is a simple drop-in replacement that works with any style of AR-10 buffer spring already in the rifle. Shooters do not need to replace their spring or make any other modifications to the rifle s lower receiver to install it. This buffer is not intended for pistol caliber carbines so fitment should be verified against a Mil-Spec AR-10 buffer tube before installation. The KynSHOT RB5004 Shorty Hydraulic Recoil Buffer is for sale at GrabAGun for AR-10 and .308 platform shooters seeking reduced recoil and improved accuracy. KynSHOT RB5004 Shorty Hydraulic Recoil Buffer Specifications Manufacturer: KynSHOT Model: RB5004 Shorty Hydraulic Recoil Buffer Compatible Hosts: AR-10 Platform Caliber: 7.62mm / .308 Cal Color: Silver Material: Stainless Steel Length: 2.79 Diameter: .76 Weight: 3.80 oz Available At: GrabAGun