Smith & Wesson Model 460XVR, Performance Center, Double Action/Single Action, Metal Frame Pistol, X-Frame, 460SW, 7.5 Custom Heavy Barrel, Muzzle Brake, Stainless Steel, Rubber Grips, 5 Rounds, Fiber Optic Front Sight, Integral Scope Mount on Barrel, Unfluted Cylinder, Gun Rug & Sling 11626 Smith & Wesson's Model 460XVR has the highest muzzle velocity of any production revolver on earth. The Model 460XVR is so revolutionary that it required an entirely new designation...XVR, X-tree Velocity Revolver. Performance Center guns originate from standard designs or are created from the ground up. From hand-cutting and fitting to fine tuning for precision, these firearms are top performers. Products from the Performance Center are the ultimate expression of old-world craftsmanship blended with modern technology.