ProMag Glock 20 50-Round Drum Magazine — 10mm

The ProMag drum magazine provides a high-capacity feeding option for Glock Model 20 pistols chambered in 10mm. It combines a polymer magazine body with a stainless-steel spring and injection-molded follower for reliable function during extended range, competition, and training sessions. ProMag lists this magazine as made in the USA and backs it with a manufacturer lifetime guarantee against defects.

Key Specifications

• The magazine holds 50 rounds.
• Compatible with 10mm ammunition.
• Designed to fit the Glock Model 20.
• The magazine body is constructed from a proprietary polymer.
• The finish is black.
• Overall dimensions are listed as 3.50 x 6.60 x 16.40 inches.
• Length is listed as 16.4000 inches.
• Height is listed as 3.5000 inches.
• The weight is approximately 1.9 pounds.
• The magazine uses a heat-treated stainless steel spring and an injection-molded follower.

Built for shooters who require high-capacity, purpose-driven feeding, this ProMag drum balances capacity with serviceable materials and straightforward design. Its polymer construction keeps weight manageable while the stainless-steel spring and molded follower support consistent feeding for range work, training, and competitive use. Note that supplier restrictions apply: this item is not available for direct shipment to California, Rhode Island, or Washington and is not for sale in Illinois or Oregon per the product data.