is made for smith and wesson if I read it right... The catch, as always with revolvers, is compatibility. This system fits only 6-inch barrel L Frames. If you've got a 4-inch K Frame or you're running an older J Frame, this doesn't work. For those with a full-size L Frame like the Model 686 Plus or a S&W Performance Center gun, this opens options that didn't exist before. Wheelgun Wednesday: Rails - A New Era Dawns for Revolvers and... Bounty Hunter Smith & Wesson Rail System 6" L Frame