The ProMag DRMA31 is a 30-round drum magazine intended for use with Smith & Wesson M&P Shield 9mm pistols. It features a DuPont Zytel polymer drum housing and a magazine upper tower with a full-length steel internal insert for enhanced feed geometry. The magazine uses an injection-molded follower and a heat-treated stainless steel spring and is manufactured in the USA.
Key Specifications
- The capacity is 30 rounds for extended range sessions.
- The caliber is 9mm as listed in the product attributes.
- The drum housing material is DuPont Zytel polymer for lightweight durability.
- The finish is Black to match standard Shield aesthetics.
- The magazine upper tower contains a full-length steel internal insert stamped and welded like the factory magazine.
- The magazine follower is an injection-molded component for consistent feeding.
- The magazine spring is formed from heat-treated stainless steel for corrosion resistance and longevity.
- The model designation is listed as Standard in the provided attributes.
- The magazine is specified to fit S&W M&P Shield pistols according to manufacturer data.
- This magazine is Made in USA per the product description.
Built to provide a high-capacity option for extended range use, the ProMag DRMA31 combines polymer construction with steel reinforcement where it matters to maintain feed reliability and manage weight. Its design mirrors key elements of the factory magazine tower while offering a 30-round drum capacity for shooters who require prolonged shooting sessions or reduced reload frequency. Durable components and a stainless steel spring prioritize function and longevity in a straightforward package.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.
