LG-306 Lasergrips for Smith & Wesson K and L Frames Round Butt Few things say American quite like the celebrated Smith & Wesson brand. From the classic punch of their steel-framed revolvers to the acclaimed tactical features of their new M&P pistols, S&W has been producing quality firearms for more than a century. Crimson Trace is proud to support Smith & Wesson firearms by producing more models of Lasergrips for S&W weapons than any other brand. Fits Smith & Wesson models 10 thru 19, 48, 53, 56, 64 thru 68, 242, 296, 547, 581, 586, 617, 647, 648, 686, 696 and Governor. LG-306 laser sights for Smith & Wesson K & L-Frame revolvers feature a comfortable rubber overmold on the Lasergrips that is slimmed down for concealed carry ease. The laser activation switch is located in the front of the revolver, making activation "instinctive" when you assume a normal firing grip on the revolver. Platform Lasergrips Material Polymer and Rubber Combination Attachment Grip Replacement Activation Location Front Activation Sighting Factory Sighted at 50' Master On/Off Switch Yes Batteries For Life Yes Battery Type Two #2032 Batteries Laser Battery Life Over Four Hours Laser Output 5mW Red Laser Activation Mode Pressure Activated Laser Visibility Approx .5 Inch Diameter at 50 Feet Wrench Size 0.028 User Adjustable Windage and Elevation Finish Rubber Overmold Grip Installation User Installed Warranty Three Year Full Warranty Color Black Dot Size Approx. 0.50 at 50'