This ProMag DRMA21 is a 50-round replacement drum magazine compatible with the Sig Sauer MPX platform. It uses a DuPont Zytel-based polymer body with a heat-treated stamped steel upper housing finished in black oxide, and includes an injection-molded follower and a heat-treated stainless steel spring. Sales and direct shipping are restricted in certain states; check applicable laws before purchasing.
Key Specifications
- The magazine capacity is 50 rounds.
- Compatible with the Sig Sauer MPX platform.
- Designed for 9mm (9mm Luger) caliber ammunition.
- The magazine body is constructed from DuPont Zytel-based polymer.
- The upper housing is heat-treated stamped steel with a black oxide finish.
- The follower is an injection-molded component.
- The spring is made from heat-treated stainless steel wire.
- Finish/color is black.
- Country of origin is Made in USA.
- Application is listed as centerfire pistol (fits MPX platform).
The DRMA21 drum offers a high-capacity magazine option for users of the Sig MPX platform who require extended capacity in a compact package. Its polymer construction combined with a heat-treated steel feed housing and stainless spring provides a durable, maintenance-friendly magazine solution for range use, training, or extended sessions where a larger round count is desired.
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.
