This is the ProMag Savage Arms Stance 9mm 50-round drum magazine.

Elevate your Savage Arms Stance to the next level with this high-quality 50-round drum magazine from ProMag!

Pairing a steel upper magazine tower with an impact-resistant polymer drum housing, ProMag was able to maximize durability without adding unnecessary weight. Inside, you’ll find an injection-molded polymer follower and heat-treated steel spring that deliver superior reliability. 

To top it all off, ProMag backs every magazine with a lifetime warranty. So whether you’re breaking in your new Savage Arms Stance or simply trying to reduce your time spent reloading at the range, this is the magazine for you! 

Grab one of these 50-round drum mags while they are still in stock! You won’t regret it!