ProMag P320 9mm 21-Round Magazine
High-capacity 21-round magazine for Sig Sauer P320 9mm pistols. Heat-treated steel construction with blued finish, injection-molded follower, and chrome silicone spring. Made in the USA.
Fits: Sig Sauer P320
ProMag P320 9mm Magazine
This is a quality replacement or spare magazine designed specifically for the Sig Sauer P320 9mm pistol. Whether you're building your spare magazine collection or need a reliable high-capacity option, this 21-round magazine delivers the capacity and durability serious shooters demand.
Construction & Materials
Robust steel construction ensures reliability through thousands of rounds. The magazine body is manufactured from heat-treated steel with a professional blued finish that resists corrosion and wear. The injection-molded follower provides consistent feeding, while the magazine spring is precision-wound from heat-treated chrome silicone wire—the same material used in premium magazines costing significantly more.
Quality & Warranty
Every ProMag magazine is made in the USA and backed by a lifetime guarantee against manufacturer's defects. The assembly process is meticulously checked and double-checked at every step to maintain consistent quality and reliability.
Specifications
- Capacity: 21 rounds
- Caliber: 9mm Luger
- Finish: Blued steel
- Compatibility: Sig Sauer P320
- Made in: USA
A practical, affordable way to increase your P320's versatility and have reliable backup magazines on hand.
Features
- 21 - round capacity
- steel construction
- heat-treated chrome silicon wire spring
- manufactured & assembled in the u.s.a.
- easy loading
- rugged construction
- blued steel magazine
- fits sig p320 9mm pistols
