ProMag Drum Magazine for Sig Sauer P320 9mm 50-Round Polymer Black

The ProMag Magazine for the Sig Sauer P320 9mm pistol features a magazine body constructed from a proprietary DuPont Zytel based polymer. The follower is injection molded and the magazine spring formed from heat treated stainless steel wire. FeaturesMagazine body constructed of a proprietary DuPont Zytel based polymerInjection molded magazine followerMagazine spring formed from heat treated stainless steel50 round drum magazineBlue steel upper magazine tower