ProMag S&W M&P Magazine 9mm Blued Steel 10/rd

A double-stack 10-rd magazine for the Smith & Wesson M&P(R) 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.Made in the U.S.A.