Guaranteed to give you an edge'” ODIN Works has designed their PMBs (Pistol Magazine Bases) with the competitive and noncompetitive shooter in mind. Introducing the Smith & Wesson M&P PMB: Ergonomically machined to fit perfectly in the palm of your hand for effortless stripping'” the weighted base allows for rapid mag changes and 4 to 5 extra rounds all while remaining well within the 140 mm gauge limits of USPSA.
Odin Works Pistol Magazine Base, +5 Rounds, Anodized Finish, Fits M&P 9mm/40, Black ACC-PMB-SW-MP-BLK