ProMag 50rd Drum Magazine – S&W CSX 9mm Black

This ProMag drum magazine provides high-capacity feeding for Smith & Wesson CSX 9mm pistols. The magazine body is molded from a proprietary DuPont Zytel-based polymer and features a blue steel upper magazine tower. It uses an injection-molded follower and a spring formed from heat-treated stainless steel. The unit is listed as made in the USA and includes dimensions intended for reference.

Key Specifications

• The magazine holds 50 rounds.
• Designed for 9mm (9mm Luger / 9×19) cartridges.
• The magazine body is constructed of a proprietary DuPont Zytel-based polymer.
• The upper magazine tower is made from blue steel.
• The follower is an injection-molded component.
• The magazine spring is formed from heat-treated stainless steel.
• Compatibility includes Smith & Wesson CSX and is also noted to fit Walther P99 and SW99.
• Finish is listed as black.
• Dimensions are listed as 3.25 x 6.90 x 14.55 (as provided).
• Weight is listed as 1.75 (unit not specified in source data).

Purpose-built for shooters who need extended capacity without adding unnecessary complexity, this drum magazine balances durable polymer construction with steel components where strength matters. Its design accommodates high-capacity use in compatible 9mm pistols while keeping handling and maintenance straightforward.