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 Heat Treated Blued Steel with a base molded from TECHNAPOLYMER and an anti-fatigue steel spring for reliability. 
 
Promag Extended M&P9 Shield Magazine Specifications and Features:
Promag Item Number: SMI 28 
9mm Luger 
10 Rounds Capacity 
Steel Construction 
Polymer Base Plate
Black

Fits:
Smith & Wesson M&P9 Shield and M&P9 Shield 2.0 Only

Does Not Fit:
Smith & Wesson M&P9 Shield EZ or M&P9 Shield Plus 
 
***PLEASE NOTE***
New magazines can have stiff springs which may make it difficult to load to full capacity until broken in.