ProMag .45 ACP 40-Round Drum Magazine for Glock 21 Pistols

This is a Glock 21 .45 ACP drum magazine with 40-round capacity from ProMag.Designed for Glock 21 and 41 pistols chambered in .45 ACP, this 40-round drum magazine features a housing constructed of proprietary DuPont Zytel polymer, making it a lightweight, high-capacity option for your Glock .45 pistols.Additionally, the Glock .45 drum mag utilizes an injection-molded, low-friction follower and heat-treated steel wire spring for improved reliability, as well as overmolded, stamped steel feed lips for lasting performance.With 40-round of .45 ACP ammunition on hand, this ProMag drum magazine delivers superior firepower for home defense and target shooting applications.Pick up a US-made, extended drum magazine for your favorite .45 caliber Glock pistol from GunMag Warehouse today.