The Warne Mag Extension for SIG P320 increases your carrying capacity by 3 rounds. These extensions feature an ergonomic shape that allows for better insertion with a precise, reliable fit, with finger grooves that allow the magazine to be easily stripped from the handgun if needed.

Machined from 6061 T6 aluminum billet and Type 2 hardcoat anodized for abrasion and corrosion resistance. Fits Sig P320 9mm 17 round factory magazines.

With firearms-specific fitments for best-in-class fit/compatibility, you can have confidence in every shot with Warne; designed for shooters, by shooters. All Warne products come with a lifetime warranty. No receipt, no warranty card, no package – no problem!