ProMag Ruger P91 .40 S&W 50-Round Drum Magazine

This is a 50-round .40 S&W Ruger P91 drum magazine from ProMag.

A favorite among volume target shooters, the ProMag Ruger P91 .40 S&W 50-round drum magazine is an American-made, high-capacity magazine engineered to deliver superior stopping power and exceptional dependability when it matters most.

Featuring a heat-treated steel upper tower with a durable DuPont Zytel polymer drum, this aftermarket P91 drum mag offers lasting service and corrosion resistance in harsh shooting environments.

Further, the ProMag P91 drum magazine utilizes a fast-loading ratcheting mechanism for intuitive, frustration-free reloads, while the polymer drum boasts aggressive texturing for speedy reloads and a non-slip grip.

A heat-treated chrome silicon wire spring and injection-molded polymer follower combine to provide unmatched reliability and proper cartridge alignment with every shot.

With a 50-round capacity of hard-hitting .40 S&W ammo, this magazine offers ample firepower at the range and in the field.

What’s more, this magazine comes with a lifetime warranty from ProMag promising consistent operation year after year.

Grab a few spare mags for your Ruger P91 pistol from GunMag Warehouse before your next training session.