ProMag Industries 9MM 21‑Round Magazine

Fits Sig Sauer P320 – Steel Construction, Blued Finish, Flat Dark Earth Baseplate (Model SIG‑A20‑FDE)

Upgrade your Sig Sauer P320 with the ProMag Industries 9MM 21‑Round Magazine. Engineered for reliability and built to endure the toughest shooting conditions, this magazine combines a rugged steel body with a sleek blued finish and a distinctive Flat Dark Earth baseplate. Whether you're on the range, at the competition, or defending your home, this magazine delivers smooth feeding, consistent performance, and a professional look that matches your firearm.

Key Benefits

• 21‑Round Capacity – More ammunition per reload without compromising grip or balance.
• Precision‑Fit for Sig Sauer P320 – Seamlessly integrates with factory and aftermarket P320 models.
• Heavy‑Duty Steel Construction – Provides superior durability and resistance to dents and warping.
• Premium Blued Finish – Offers corrosion resistance and a classic, low‑glare appearance.
• Flat Dark Earth Baseplate (SIG‑A20‑FDE) – Enhances camouflage and adds a tactical aesthetic.
• Easy Installation – No tools required; simply insert and lock into the P320 magazine well.
• Enhanced Feed Ramp Geometry – Optimized for reliable 9mm cartridge feeding.
• Universal Compatibility – Works with all standard 9mm Sig Sauer P320 variants.

Technical Specifications

Why Choose ProMag Industries?

ProMag Industries is a trusted name among firearm enthusiasts and professional shooters. Their dedication to quality craftsmanship, rigorous testing, and innovative design ensures that every magazine meets the highest standards of performance and safety. When you select the ProMag Industries 21‑round 9mm magazine for the Sig Sauer P320, you're investing in a product that has been engineered to deliver consistent reliability, even under high‑stress conditions.

Installation Guide

1. Ensure your Sig Sauer P320 is unloaded and clear of any ammunition.
2. Press the magazine release button to eject any existing magazine.
3. Insert the ProMag Industries magazine into the magazine well, aligning the front latch with the feed ramp.
4. Push firmly until you hear a click, indicating the magazine is fully seated.
5. Perform a function check by pulling the trigger with an empty chamber to confirm proper engagement.

For optimal performance, clean and lubricate your magazine periodically according to the manufacturer’s recommendations. Pair this magazine with quality 9mm ammunition for the best feeding experience.

The End