The KynSHOT RB5000HP Recoil Buffer is designed For AR-15 applications that run excessively hard such as suppressed, over-gassed carbines or 'Thumpers' like the .50 Beowulf and .458 SOCOM. Made using 17-4 stainless steel, the RB5000HP KynSHOT Recoil Buffer AR-15 is a proven system that has seen heavy use with civilian competition shooters, law enforcement personnel. This buffer has patented damping technology to absorb the shock of impact from the bolt carriers rearward motion and to prevent bolt bounce as a new cartridge is chambered. The RB5000HP KynSHOT Recoil Buffer reduces felt recoil by 20-30%, while largely eliminating muzzle flip.The improvement in weapon accuracy - specifically second and third shot accuracy - is large as shooters report that their time to reacquire a target decreases, and in many cases never leaves their scope sights. Specifications for KynSHOT AR-15 .223/5.56mm Buffer for High Performance: Manufacturer: KynSHOT Color: Silver Finish: Stainless Fabric/Material: 17-4 Stainless Steel Gun Make: AR Platform Gun Model: AR-15 Gas System Length: Rifle Length Diameter: 0.76 in Length: 3.96 in Additional Features: Over Gassed Carbines Condition: New Country of Origin: USA Features of KynSHOT AR-15 .223/5.56mm Buffer for High Performance Drop-In Replacement Reduce felt recoil Improve reliability Reduce bolt carrier speed Reduce wear on parts Reduce shock and vibration to optics Suppress bolt bounce Decrease sight movement Smoother operation Faster shot recovery time Military grade materials and manufacturing Package Contents: KynSHOT AR-15 .223/5.56mm Buffer for High Performance What firearm models does the manufacturer say KynSHOT AR-15 .223/5.56mm Buffer for High Performance is compatible with? The manufacturer says that KynSHOT AR-15 .223/5.56mm Buffer for High Performance is compatible with AR-15