ProMag Glock Model 17 19 9mm 50 Round Drum Magazine

The ProMag Glock Model 17 19 9mm 50 Round Drum Magazine is a 50 round drum magazine that fits Glock Model 17 and 19 9mm pistols. The magazine body is constructed of a proprietary DuPont Zytel based polymer with an injection molded magazine follower. The magazine spring is formed from heat treated stainless steel. This magazine is made in the USA.