Introducing the new Promag SMI 27, an 8-round magazine for the Smith & Wesson Shield in 9mm. Constructed from heat-treated blued-steel, components molded from our proprietary Technapolymer and...
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...