Lg-305 laser sights for the s&w j-frame revolver line feature an extended grip length over the lg-405.Featuring a front activated laser that is engaged instinctively when the revolver is held in a natural shooting grip, the lg-305 is manufactured with a rubber overmold material over a polymer base.Features front activation; instinstive activation; grip placement.Fits s&w j frame airlight, airweight, bodyguard (except polymer-framed models), chiefs special, centennial, ladysmith.Models 36/37/38/49/60/63/317/331/332/337/340/342/351/360/442/637/638/640/642/649/651/940.Round butt only.Wavelength: 633nMDot Size: .50" @ 50 ydsLaser Color: RedFirearm Fit: S&W J FrameMount Type: Grip