Smith and Wesson - M&P
Magazine for Smith & Wesson M&P pistols. MP9, MP40, MP45. Constructed from heat-treated blued-steel, with a follower, lock-plate, and base-plate molded from a proprietary DuPont® Zytel™ based black polymer; and using a spring wound from Chrome-silicon wire and heat-treated for strength and reliability.
High capacity magazines are limited to 10 rounds.