ProMag DRMA83 50-Round Drum Mag — 9mm, Black Polymer

The ProMag DRMA83 is a 50-round drum magazine designed for Smith & Wesson CSX 9mm pistols. The magazine body is constructed from a proprietary DuPont Zytel based polymer and features a blue steel upper magazine tower, an injection molded follower, and a spring formed from heat-treated stainless steel. This magazine is finished in black and is made in the USA.

Key Specifications

• The magazine holds 50 rounds.
• Compatible caliber: 9mm.
• Designed to fit Smith & Wesson CSX 9mm pistols.
• Also lists compatibility with Walther P99 and SW99 in manufacturer notes.
• The magazine body is constructed of a proprietary DuPont Zytel based polymer.
• The upper magazine tower is finished in blue steel.
• The follower is injection molded.
• The magazine spring is formed from heat-treated stainless steel.
• Finish is black.
• Dimensions are listed as 3.25 x 6.90 x 14.55 (manufacturer-provided).

This drum magazine offers extended capacity for range work, training sessions, or situations where reduced reload frequency is desired. Its polymer construction and steel components are specified by the manufacturer to balance durability and weight, and compatibility notes identify common platforms the magazine is intended to fit. The ProMag DRMA83 provides a straightforward, factory-specified option for shooters seeking increased capacity with a form factor matched to the listed pistols.