Warne Magazine Extension for Sig P320, 9mm +3, Black

Warne’s magazine extension for the Sig Sauer P320 increases usable capacity while improving purchase and magazine handling. Machined from 6061 T6 aluminum and finished with a Type II hardcoat anodize, the extension is built for abrasion and corrosion resistance. Ergonomic finger grooves and a contoured profile allow for easier insertion and controlled magazine removal in a variety of shooting scenarios.

Key Specifications

• The product is a Magazine Extension for handgun magazines.
• Compatible with Sig Sauer P320 magazines.
• Designed for 9mm magazine use.
• Adds +3 rounds of capacity.
• Color is black.
• Machined from 6061 T6 aluminum billet.
• Features a Type II hardcoat anodized finish for corrosion and abrasion resistance.
• Retention uses a Torx-head screw and washer.
• Includes ergonomic finger grooves for improved grip and controlled stripping.
• Designed and made in the USA.

Robustly constructed and focused on function, this Warne extension is a practical upgrade for Sig P320 owners who want additional capacity and improved handling without changing the magazine profile. Its machined construction and secure retention deliver a dependable, low-profile solution for range use, competition, or duty applications.