ProMag Drum Magazine S&W M&P9 9mm 50Rd Black Polymer

The ProMag Drum Magazine is a 50-round magazine designed specifically for Smith & Wesson M&P9 pistols. It uses a proprietary DuPont Zytel-based polymer body for reduced weight and consistent feeding. The magazine incorporates a blue steel upper tower, an injection-molded follower, and a heat-treated stainless steel spring. This component is manufactured in the United States.

Key Specifications

• The magazine capacity is 50 rounds.
• Caliber compatibility is 9mm.
• Designed to fit Smith & Wesson M&P9 series pistols.
• The magazine body is constructed from a proprietary DuPont Zytel-based polymer.
• The upper magazine tower is made of blue steel.
• The follower is injection molded for consistent alignment.
• The magazine spring is formed from heat-treated stainless steel.
• The finish/color of the magazine is black.
• Country of manufacture is Made in USA.

This drum magazine provides extended loading capacity for range work and structured training where high-round-count magazines are appropriate. Its polymer construction keeps overall weight moderate while the steel upper tower helps maintain reliable feed geometry. For users seeking a high-capacity option compatible with the M&P9 platform, this ProMag drum offers a straightforward solution built with serviceable components and domestic manufacture.