The ProMag DRMA21 is a 50-round drum magazine designed to fit the Sig Sauer MPX in 9mm. It pairs a DuPont Zytel-based polymer magazine body with a heat-treated stamped steel upper housing finished in black oxide. The drum uses an injection-molded follower and heat-treated stainless steel spring to support consistent feeding. ProMag magazines are made in the USA and are backed by a manufacturer guarantee against defects.
Key Specifications
- Holds 50 rounds in a drum configuration for extended firing sessions.
- Chambered for 9mm Luger (9×19).
- Magazine body constructed of a DuPont Zytel-based polymer for impact resistance.
- Features a heat-treated stamped steel upper housing with a black oxide finish.
- Includes an injection-molded follower to support reliable feeding.
- Uses heat-treated stainless steel wire for the magazine spring.
- Designed to fit Sig Sauer MPX pistols.
- Magazine style: Drum.
- Finish: Black.
- Manufactured in the USA.
Built for extended range use and high-volume practice, the ProMag DRMA21 delivers high capacity and durable construction in a compact drum form. Its combination of polymer body and heat-treated steel components aims to provide dependable feeding and long service life for shooters who require a robust spare or replacement magazine for the Sig MPX platform.
Reviews
There are no reviews yet.