– Caliber: 9mm
– Capacity: 8 Rounds
– Construction: Heat-Treated Blued-Steel
– Components: Molded of Technapolymer
– Fits: Smith & Wesson Shield
S&W Shield 9mm (8) Rd Blue Steel
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 our anti-fatigue spring, so you can keep the magazine loaded and ready for up to six years without concern. Our magazines are made in Phoenix, Arizona.