This is a factory .40 S&W 15-round magazine for Smith & Wesson M&P40 pistols.
Building on over 165 years of All-American expertise, Smith & Wesson’s M&P pistols combine ultimate shootability, tactical performance, and unrivaled reliability—thanks in no small part to their factory magazines.
These flush-fitting steel magazines deliver 15 rounds of hard-hitting .40 S&W for your full-size M&P 40 pistol. With clear-cut witness holes for tracking capacity and a tough polymer baseplate, Smith & Wesson factory mags deliver the ultimate in reliability and help you get the most out of your M&P 40 pistol.