PROMAG Glock 21/30 .45 ACP 40-Round Drum Magazine

The PROMAG drum magazine is designed for Glock 21 and 30 models chambered in .45 ACP. It features a 40-round capacity, black polymer construction, and components designed for use with compatible Glock pistols.

Its housing uses a proprietary DuPont Zytel-based polymer, while the follower is injection molded. The magazine also incorporates stamped steel feed lips and a magazine catch, and it is made in the USA.

Key Specifications

• The magazine is chambered for .45 ACP.
• The drum provides a capacity of 40 rounds.
• The magazine fits Glock 21 and 30 models.
• The drum housing is constructed from black polymer.
• The follower is injection molded.
• The feed lips and magazine catch are stamped steel.
• The listed overall dimensions are 3.50 x 6.50 x 16.25 inches.
• The magazine is identified as made in the USA.
• The product type is a handgun drum magazine.

With its substantial capacity and clearly specified Glock 21 and 30 compatibility, this PROMAG drum magazine provides a purpose-built option for range use and other applications where compatible equipment and local requirements permit.