The Safariland Comp III Speedloader is injection molded and its spring-driven action provides the fastest, most positive reloading available, making it most popular for competition use. Depending on the gun, all Safariland Speedloaders may require custom grips to ensure proper clearance. Fits: Dan Wesson .38 / .357 Smith & Wesson 10K, 12K, 13K, 14K, 15K, 19K Frame Smith & Wesson 64K, 65K, 66K, 67K, 68K Frame