ProMag Polymer Pistol Magazine H&K USC .45 ACP Carbine 20-Round Black HEC-A7-20RD. The follower is injection molded and the magazine spring formed from heat treated chrome silicon wire. Specifications for ProMag Polymer H&K USC .45 ACP Carbine...
ProMag Polymer Pistol Magazine H&K USC .45 ACP Carbine 20-Round Black HEC-A7-20RD. The follower is injection molded and the magazine spring formed from heat treated chrome silicon wire. Specifications for ProMag Polymer H&K USC .45 ACP Carbine...