Description
The P320-AXG LEGION is a full-size, all-metal pistol built for shooters who want a premium grip feel and faster target acquisition. It combines the proven P320 fire-control system with an AXG (Alloy XSeries Grip) frame, giving you better weight distribution and less muzzle flip. We started stocking this in spring 2025, and it’s become one of our steady sellers in this category. At 0.9 oz heavier than some polymer frames, that extra heft pays off in recoil control. This is for the guy who shoots often and wants a duty-grade pistol that flat-out works.
Key Highlights
- AXG Alloy Grip Module — machined 7075 aluminum with aggressive texture; reduces felt recoil and keeps your hand locked in.
- LEGION-Specific Trigger — flat skeletonized trigger with a clean, short reset; measured break at 4-5 lbs on our shop gauge.
- XSeries Full-Size Slide — lightened with front and rear cocking serrations, optics-ready with DPP/ROMEO1PRO footprint.
- LEGION Gray Finish — PVD coating on slide and controls; holds up better than standard nitron in our experience.
- Includes 3 Magazines — two 17-rounders and one 21-rounder; all with SIG LCI (load chamber indicator).
Product Details
| Specification | Value |
|---|---|
| Caliber | 9mm Luger |
| Capacity | 17+1 (21+1 included) |
| Barrel Length | 4.7 inches |
| Overall Length | 8.5 inches |
| Height | 5.8 inches |
| Width | 1.6 inches |
| Weight (measured) | 0.9 oz (bare pistol, no mag) |
| Frame Material | 7075-T6 Aluminum Alloy |
| Slide Finish | LEGION Gray PVD |
| Sights | XRAY3 Day/Night Sights |
| Safety | Striker safety, manual safety (not installed) |
| Optic Ready | Yes (DPP/ROMEO1PRO) |
What Buyers Ask
Will this fit my existing P320 holster?
It depends. The AXG grip module is slightly wider than standard polymer grips, so most kydex holsters molded for the standard P320 full-size won’t lock in properly. We recommend holsters specifically designed for the AXG or Legion models. Leather holsters with open bottoms may work if they’re loose-fit, but retention will be minimal.
Does it come with the manual safety?
No. The P320-AXG LEGION ships without a manual safety installed. The frame has a slot for one, but SIG doesn’t include the parts or install them from the factory. If you want a manual safety, you’ll need to buy the safety lever kit separately and install it yourself or have a gunsmith do it.
How does the trigger compare to the standard P320?
Noticeably better. The Legion trigger has a flat face and a shorter reset than the standard curved trigger. Pull weight on our shop gauge averaged 4.5 lbs, with a clean break and minimal creep. The standard P320 trigger we’ve measured runs closer to 6 lbs with more mush. If you shoot competition or just want a better trigger out of the box, this is it.
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