SMITH & WESSON M&P-9 9mm (32) RD BLUE STEEL – SMI-A14 A double-stack 32-rd magazine for the Smith & Wesson M&P series of pistols in 9x19mm. 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.
