The ProMag SIG25 extends your SIG P320's capacity with reliable 10-round performance in a durable blue steel construction. This aftermarket magazine provides consistent feeding and extraction for training, competition, and backup applications where standard capacity magazines may not be available or preferred.
What Makes This Different
The SIG25 features heat-treated steel construction with a corrosion-resistant blue finish that withstands extended use better than polymer alternatives. The magazine body incorporates precise tolerances engineered specifically for SIG P320 pistols, ensuring proper lockup and reliable function. Internal components include a chrome silicon spring rated for over 10,000 compression cycles and a polymer follower designed to reduce friction during feeding.Key Features
- 10-round capacity for 9mm Luger cartridges
- Heat-treated steel body with blue corrosion-resistant finish
- Chrome silicon spring for consistent tension and longevity
- Anti-tilt follower prevents jamming and misfeed issues
- Compatible with all SIG P320 variants in 9mm
- Removable floor plate for easy cleaning and maintenance
- Witness holes for quick round count verification
Technical Specs
- Capacity: 10 rounds
- Caliber: 9mm Luger
- Material: Heat-treated steel body, polymer follower
- Finish: Blue steel coating
- Overall Length: Approximately 4.2 inches
- Width: 1.0 inch
- Spring: Chrome silicon wire
- Compatibility: SIG P320 all variants (9mm only)
- Country of Origin: USA
