ProMag SMI33 10-Round .40 S&W Magazine for S&W SD

Upgrade your Smith & Wesson SD series (excluding VE variants) with the ProMag SMI33 10-Round .40 S&W Magazine. This magazine, built with durable blued steel, offers a reliable 10-round capacity for consistent performance. Featuring a heat-treated steel body, injection-molded magazine follower, and a chrome silicone wire mag spring, it ensures smooth and dependable feeding. Proudly made in the USA, this detachable magazine is perfect for enhancing your shooting experience with your .40 S&W caliber firearm.