ProMag Polymer Pistol Magazine Sig Sauer Sig Pro 9mm 50-Round Black DRM-A88-50RD. The follower is injection molded and the magazine spring formed from heat treated chrome silicon wire. Specifications for ProMag Polymer Sig Sauer Sig Pro 9mm 50-Round...
ProMag Polymer Pistol Magazine Sig Sauer Sig Pro 9mm 50-Round Black DRM-A88-50RD. The follower is injection molded and the magazine spring formed from heat treated chrome silicon wire. Specifications for ProMag Polymer Sig Sauer Sig Pro 9mm 50-Round...