Ruger GP100, TALO Edition, Double Action, Revolver, 357 Magnum/38 Special, 2.5 Barrel, Steel, Blued Finish, Rubber Grips with Wood Inlay, Green HiViz Fiber Optic Front Sight and Adjustable Rear Sight, 6 Rounds 01790 The Ruger GP100 Double-Action Revolvers are among the most comfortable shooting revolvers. The triple-locking cylinder is locked into the frame at the front, rear and bottom for more positive alignment and dependable operation shot after shot. It's patented grip frame design easily accommodates a wide variety of custom grips and the patented transfer bar mechanism provides an unparalleled measure of security against accidental discharge. With no special tools required, maintenance and assembly is easy.