Specifically engineered for competition shooting applications, the Safariland® Competition II .357 Magnum/.38 Special 6-Round Speedloader for Smith & Wesson® K-Frame Revolvers is a budget-friendly revolver speedloader, designed to rapidly load 6 rounds of .357 Magnum or .38 Special in one quick motion for competition-ready field performance. Constructed of an injection-molded polymer with a small, spring-loaded steel knob, this speedloader delivers lasting reliability and consistent operation in virtually any environment. Plus, this speed loader boasts a low-profile design, specifically engineered for competition and concealed-carry applications. Compatible with large-framed revolvers ONLY.