ProMag H&K MP5/PTR9 9mm 40rd Rifle Magazine, Black Polymer - HECA17

This ProMag HECA17 is a 40-round magazine chambered in 9mm Luger, designed to fit H&K MP5 and PTR9 platforms. It features a durable DuPont Zytel polymer body with reinforced feed lips, high-tensile chrome silicon wire spring, and injection-molded polymer follower for reliable, jam-free operation in any shooting environment.