This is the Promag SIG P226 .40 S&W 50-round drum magazine. 

If you’re looking to maximize your range time with less reloads, this 50-round drum magazine is for you!

Between the DuPont Zytel based polymer drum and steel tower, it doesn’t get much more durable than this offering from ProMag. Inside, the injection-molded polymer follower keeps every round perfectly aligned within the steel feed lips. 

Best of all, this drum mag is made right here in the USA! Whether you’re breaking in your new SIG P226 or simply enjoying some range time with friends, this drum magazine is sure to please! 

Pick up one of these 50-round drum magazines and get ready to hit the range!