ProMag DRMA31 30rd Drum Magazine — 9mm Shield

The ProMag DRMA31 is a 30-round drum replacement or spare magazine designed for use with Smith & Wesson M&P Shield 9mm pistols. The drum housing is molded from DuPont Zytel polymer and the magazine upper tower includes a full-length steel internal insert. Internal components include an injection-molded follower and a heat-treated stainless steel spring. This magazine is manufactured in the USA and intended as a compatible, high-capacity option for range and training use.

Key Specifications

• The capacity is 30 rounds.
• The caliber is 9mm.
• Designed to fit the S&W M&P Shield pistols.
• The drum housing material is DuPont Zytel polymer.
• The finish is black.
• The magazine upper tower includes a full-length steel internal insert.
• Features an injection-molded magazine follower.
• Uses a heat-treated stainless steel spring.
• Manufactured in the USA.
• Internal model designation is DRMA31 (Standard).

Built for extended sessions at the range and training environments, the DRMA31 pairs Shield compatibility with durable polymer construction and steel internals for dependable function. Its high-capacity design and proven component choices make it a practical option for shooters seeking extended reload intervals without changing standard magazine interface characteristics.