Sig Sauer P320 21-Round 9mm Extended Magazine - Coyote/Black

The Sig Sauer MAGMODF921COY delivers extended firepower for P320, M17, and M18 pistols with its 21-round capacity in a durable steel construction. This factory magazine combines increased ammunition capacity with the reliability Sig Sauer builds into every component.

What Makes This Different

This extended magazine adds 4 additional rounds over standard 17-round P320 magazines while maintaining the same reliable feeding geometry. The two-tone Coyote and Black finish provides corrosion resistance and matches military specification requirements. Steel construction ensures consistent spring tension and feeding reliability through thousands of cycles.

Key Features

• 21-round capacity increases firepower by 4 rounds over standard magazines
• Steel body construction with anti-tilt follower for reliable feeding
• Coyote Tan and Black two-tone finish matches military specifications
• Compatible with Sig P320, M17, and M18 pistol platforms
• Factory Sig Sauer quality with precise tolerances
• Removable floorplate for easy maintenance and cleaning
• Heat-treated steel spring maintains consistent tension

This magazine performs reliably in competition shooting, duty carry, and range training applications. The extended capacity proves valuable in competitive shooting sports where magazine changes cost precious seconds. Law enforcement and military users appreciate the additional rounds without compromising the proven P320 platform reliability. The steel construction handles repeated loading and unloading better than polymer alternatives.

Technical Specs

• Capacity: 21 rounds of 9mm Luger ammunition
• Construction: Steel body with steel spring
• Finish: Coyote Tan and Black two-tone coating
• Compatibility: Sig P320, M17, M18 pistols
• Follower: Anti-tilt design for reliable feeding
• Floorplate: Removable for maintenance access
• Manufacturer: Sig Sauer (USA)

This factory magazine maintains the same quality standards as the magazines shipped with new P320 pistols. The extended capacity provides tactical advantages without requiring modifications to the firearm itself.