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The Warne magazine extension drops right into your existing P320 workflow. Instead of redesigning the wheel, Warne took the no-nonsense approach: machine a rock-solid aluminum extension, coat it for long-term durability, and call it done. You get five extra rounds without the magazine looking like an awkward add-on. The billet 6061-T6 aluminum construction keeps things light while the hardcoat anodized gray finish stands up to handling and the occasional harsh environment.
The ergonomic profile includes finger grooves that give you something to grab during mag changes and when stripping the magazine from your pistol. The shaped base contours around your grip instead of sitting flat and dead. A Torx head screw and washer hold everything together with secure retention that doesn't rely on gimmicks or proprietary springs you didn't ask for.
This extension comes with a replacement magazine spring sized for the added capacity. Drop-in installation takes a few minutes: remove the factory base pad, transfer your follower to the new spring, and slide the extension onto the magazine flange until it seats completely. Once the screw is snug, you're good to go. Warne backs this with a lifetime warranty, no receipt needed.
The extension maintains that slimmed-down profile Warne designed in. It's built for people who carry their P320 every day or run it at the range, not for someone who wants to turn a 9mm into a magazine-fed rifle. You get the capacity boost where it counts, without turning your carry gun into something bulkier than it needs to be.
Yes. The Warne extension includes a replacement magazine spring sized for the added five-round capacity. You'll transfer your factory follower to this new spring, then install the extension. No need to hunt down extra springs separately.
Not at all. Remove your factory base pad, swap the follower onto the new spring, and slide the extension onto the magazine flange. Tighten the Torx screw snug but don't over-tighten, and you're done. Takes a few minutes, no tools required beyond what you already have.
This extension is designed for standard P320 9mm magazines. It works with most frame sizes when using factory or aftermarket magazines. If you have a non-standard magazine due to a preinstalled magwell, test fit before assuming compatibility.
The hardcoat anodized finish is engineered for abrasion and corrosion resistance. It handles regular handling, range use, and carry without issues. Like any finish, sharp impacts or intentional scratching can expose the aluminum beneath, but normal use keeps it looking solid for years.
| UPC | 656813108015 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 3214 |
| Model Fit | Sig P320 |
| Model | |
| Capacity | 5 |
| Caliber/Gauge | 9mm |
| Brand Fit | Sig Sauer |
| Shipping Weight | 0.11 |
| Product Type | Accessory-Magazines |
| Length | 8.5 |
| Package Height | 1.2 |
| Package Width | 3.1 |
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