The ProMag DRMA73 is a 50-round drum magazine designed for Sig Sauer P228 pistols chambered in 9mm. It uses a proprietary DuPont Zytel-based polymer for the magazine body and a blue steel upper magazine tower. The design includes an injection-molded follower and a spring formed from heat-treated stainless steel. Intended for centerfire pistols, the magazine is manufactured in the USA and delivers high-capacity feeding in a compact drum configuration.
Key Specifications
- The capacity is 50 rounds.
- Compatible with Sig Sauer P228 pistols chambered in 9mm.
- The magazine body material is DuPont Zytel-based polymer.
- The upper magazine tower is constructed of blue steel.
- The magazine follower is injection molded.
- The magazine spring is made from heat-treated stainless steel.
- The finish is black.
- Overall dimensions are 3.30 x 6.90 x 14.55.
- The listed weight is 1.75.
This drum magazine offers a high-capacity option for range work, competitive formats, and other lawful shooting activities where extended capacity is desired. Its polymer construction and steel components provide a balance of durability and reduced weight, making it a pragmatic choice for shooters seeking reliable feeding in a compact, high-capacity package.
