ProMag Smith & Wesson Shield .40 S&W 9-Round Blue Steel Magazine

This is an aftermarket M&P Shield .40 9-round extended magazine from ProMag.

This ProMag M&P Shield extended magazine is constructed from durable blued steel and is designed for superior strength and corrosion resistance in virtually any environment. The increased capacity provides 9 rounds of .40 S&W on tap for ample firepower.

Additionally, the injection-molded polymer magazine follower and heat-treated chrome silicon wire spring ensure smooth, reliable feeding in high-stress concealed carry and defensive situations.

Numbered witness holes provide quick at-a-glance ammo checks, while the polymer grip extension improves your pistol’s ergonomics for added stability and control for faster follow-up shots. 

With ProMag’s lifetime warranty, you can count on these aftermarket Shield mags to provide dependable service year after year.

Keep your Smith and Wesson M&P going with the ProMag Shield .40 S&W 9-round blued steel magazine.