The ProMag 50-round drum magazine is built to fit the Glock Model 20 chambered in 10mm. The body is constructed from a DuPont Zytel-based polymer for a balance of strength and weight. The magazine uses an injection molded follower and a spring formed from heat-treated stainless steel. ProMag backs this magazine with a lifetime guarantee against manufacturer’s defects and lists it as made in the USA.
Key Specifications
- The magazine holds 50 rounds.
- Designed to fit the Glock Model 20.
- Chambering compatibility is 10mm.
- The magazine body is made from DuPont Zytel-based polymer.
- The follower is injection molded.
- The spring is formed from heat-treated stainless steel.
- The finish is black.
- Overall dimensions are 3.50 x 6.60 x 16.40 inches.
- This product is listed as Made in the USA.
- ProMag provides a lifetime guarantee against manufacturer’s defects.
For range use, training, or any application requiring extended capacity, this ProMag drum combines high capacity with a polymer construction and stainless-steel spring designed for consistent feeding. Its straightforward Glock Model 20 fit and 10mm compatibility make it a practical option for shooters who value robust, no-nonsense components.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




