Smith & Wesson Brands, Inc. announced the release of two new Lipsey’s Exclusive revolvers, the Model 610 and Model 617 Mountain Guns. The Model 610 is chambered in 10mm Auto, and has a 6-round capacity. The Model 617 Mountain Gun, is chambered in 22LR and has a 10-round capacity. It is built on a medium-sized K-frame and weighs 36.1 ounces, with an overall length of 9.46 inches.