ProMag AR-15 9mm Colt SMG Type 32 Round Hybrid Steel Polymer

The ProMag AR-15 9mm Colt SMG Type 32 Round Hybrid Steel Polymer is a 32 round magazine that fits AR-15 9mm SMG carbines. The hybrid design magazine body is constructed of stamped steel upper magazine section with a black oxide finish and over molded with a DuPont Zytel based polymer bottom housing. It has an injection molded magazine follower and the magazine spring is formed from heat treated chrome silicon wire. ProMag's magazines are proudly made in the USA.