These magazines were designed for professional shooters and law enforcement personnel whose lives depend on a perfect shot every time. Expertly machined for exceptional quality and guaranteed to feed and function for every shot. ProMag magazines include a lifetime guarantee, if you ever have a problem with their magazines; simply return them to ProMag for replacement. When you need a cost effective aftermarket replacement mag that you know you can count on, you need a ProMag! This magazine is made from heat treaded Blued Steel with a base molded from Technapolymer polymer.
Features and Specifications:
Manufacturer Number: SMI 31
Caliber: .40 S&W
Capacity: Nine Rounds
Fits: S&W Shield .40 S&W Platform