Magnum Research MR Series US Polymer Handgun Magazine 9MM 10/rd

The Magnum Research MR Series US Polymer Handgun Magazine in 9MM with 10-round capacity is a purpose-built magazine designed for reliable ammunition storage and feeding in demanding environments. Built from durable polymer construction, this magazine delivers consistent performance across high-round-count training sessions, duty carry, and competitive shooting scenarios where dependable feeding is non-negotiable.

The 10-round capacity configuration meets federal and state restrictions while maintaining practical magazine depth for everyday carry and duty applications. Polymer construction reduces weight compared to metal alternatives, lowering cumulative load across multiple magazine systems. The magazine's compact profile—measuring 3 inches wide by 1.25 inches thick and 8 inches in height—balances adequate round count with manageable dimensions for holster and equipment compatibility. At 0.21 pounds per magazine, shooters can carry multiple magazines without significant weight penalty, critical for extended training blocks or operational deployments.

This magazine suits law enforcement personnel operating under magazine capacity restrictions, civilian shooters in regulated jurisdictions, and military/tactical operators seeking reliable secondary magazine systems. The black polymer finish resists corrosion and provides a professional appearance suitable for duty and field use. Whether stocked for compliance-mandated loadouts, training magazine rotation, or backup ammunition supplies, the MR Series magazine delivers the feeding reliability expected from established manufacturers serving professional and civilian markets.

Magazine selection directly impacts platform reliability and operator confidence. The Magnum Research MR Series polymer design represents a proven approach to ammunition containment and feeding, offering shooters a purpose-designed component engineered for demanding use. Verify magazine compatibility with your specific handgun platform before deployment to ensure proper feeding, seating, and retention characteristics.