Ideal for mag-dumps and ringing steel targets with fewer reloads, the ProMag® SCCY® CPX-2 9mm 50-Round Drum Magazine features a durable, heat-treated DuPont® Zytel™ polymer with steel reinforced feed lips for lasting durability and superior corrosion resistance. The heat-treated chrome silicon wire spring and injection-molded polymer follower deliver smooth, reliable feeding and jam-free operation, while the precision-engineered feed lips deliver a snug, wobble-free fit for added reliability. Made in USA.