ProMag 50rd Drum Magazine for Walther P99/SW99 – 9mm

This ProMag drum magazine provides a high-capacity feeding option for Walther P99 and SW99 series 9mm pistols. It pairs a DuPont Zytel-based polymer body with a blue steel upper feed tower and an injection-molded follower to support extended range sessions and training. Components include a heat-treated stainless steel spring and manufacturing in the USA.

Key Specifications

• The capacity is 50 rounds.
• The caliber is listed as 9mm Luger (9x19).
• The magazine fits Walther P99 and SW99 series pistols.
• The magazine body is made from a proprietary DuPont Zytel-based polymer.
• The upper magazine tower is constructed of blue steel.
• The follower is an injection-molded magazine follower.
• The spring is formed from heat-treated stainless steel.
• The finish is black.
• Listed dimensions are 3.25 x 6.90 x 14.50.
• The listed weight is 1.75 (unit not specified by the source).

Built for extended range use and repetitive loading cycles, this drum magazine combines polymer construction with steel components to balance durability and feed reliability. Its compatibility with Walther P99 and SW99 pistols makes it suitable for shooters who require a high-capacity option for training and target work. Note: direct shipping is restricted to California, Rhode Island, and Washington; sales are listed as not allowed to Illinois (PICA) and Oregon per the provided product information.