ProMag Polymer Pistol Magazine Polymer FN 509 9mm 50-Round Black DRM-A84-50RD. The follower is injection molded and the magazine spring formed from heat treated chrome silicon wire. Specifications for ProMag Polymer FN 509 9mm 50-Round Pistol...
ProMag Polymer Pistol Magazine Polymer FN 509 9mm 50-Round Black DRM-A84-50RD. The follower is injection molded and the magazine spring formed from heat treated chrome silicon wire. Specifications for ProMag Polymer FN 509 9mm 50-Round Pistol...