ProMag Smith & Wesson M&P9 9mm Luger 50rd-Capacity Black Polymer Drum 1/Pack $114.99 $78.41 ProMag Smith & Wesson M&P9 9mm Luger 50rd-Capacity Black Polymer Drum 1/Pack are manufactured and assembled in the U.S.A. and utilize high-quality materials resulting in reliable functionality and dependable performance... Compare Choose Options