A double-stack 25 round magazine for the Smith & Wesson M&P series of pistols in caliber .40S&W. Constructed from heat-treated blued-steel, with a follower, lock-plate, and base-plate...
SMI 31 - Introducing the new PROMAG SMI 31, a 9-round magazine for the Smith & Wesson Shield in .40 caliber. Constructed from heat-treated blued-steel, components molded from ourproprietary...
Constructed from heat-treated blued-steel, components molded from ProMag proprietary Technapolymer and their anti-fatigue spring, so you can keep the magazine loaded and ready for up to six years...