The Mossberg 590M 15-round magazine is a detachable double-stack feed module designed for the Mossberg 590M mag-fed pump-action shotgun. It accepts 12 gauge 2.75″ shotshells only and provides a higher-capacity option for compatible firearms. The magazine combines a self-lubricating polymer body with hardened steel feed lips and a black oxide finish on steel components for durable service.
Key Specifications
- The capacity is 15 rounds.
- Compatible with 12 gauge for 2.75″ shotshells only.
- Designed for use with the Mossberg 590M mag-fed pump-action shotgun.
- Constructed from a self-lubricating polymer body with a high-impact polymer tower.
- Steel components use a black oxide (blued) finish.
- Features hardened steel feed lips and over-molded shell ramps.
- Includes a removable floor plate for straightforward cleaning and maintenance.
- Overall dimensions are approximately 2.80 x 4.35 x 13.05 inches.
- Package weight is approximately 1.46 lbs with a shipping weight of 1.78 lbs.
Engineered for dependable function in field and range use, this magazine offers straightforward maintenance and a compact, high-capacity profile for 590M users. Its durable polymer construction and corrosion-resistant steel finishes make it a practical choice where reliable, repeatable feeding is required.
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.




