This is a factory .40 S&W/.357 Sig 10-round magazine for compact 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 magazines are built from durable steel with flat polymer baseplates and a matte black finish. Packing a full 10 rounds of hard-hitting .40 S&W/.357 Sig in a compact package, these factory magazines deliver the ultimate in reliability and help you get the most out of your M&P 40 pistol.
Don’t forget to pick up a few spares and rotate your carry/loaded magazines regularly for maximum reliability.