ProMag Polymer Pistol Magazine Sig Sauer SP2340 .40 S&W 50-Round Black DRM-A87-50RD. The follower is injection molded and the magazine spring formed from heat treated chrome silicon wire. Specifications for ProMag Polymer Sig Sauer SP2340 .40 S&W...
ProMag Polymer Pistol Magazine Sig Sauer SP2340 .40 S&W 50-Round Black DRM-A87-50RD. The follower is injection molded and the magazine spring formed from heat treated chrome silicon wire. Specifications for ProMag Polymer Sig Sauer SP2340 .40 S&W...