Description
The SIG SAUER P320-AXG LEGION is a purpose-built, optics-ready pistol for the serious shooter who demands a competition-ready platform out of the box. It combines the proven P320 FCU with a premium, all-metal AXG grip module for superior balance and recoil control. This isn’t a range toy; it’s a duty-grade tool refined for performance. Since we started carrying it, the return rate has been exceptionally low—customers know exactly what they’re getting.
Why This One?
- AXG All-Metal Grip Module: The aluminum frame provides a solid, stable platform that dampens felt recoil and improves shot-to-shot recovery compared to polymer frames.
- LEION Gray PVD Finish: This is a durable, high-end finish. On the batch we received, the quality was excellent with no visible tooling marks on the slide or frame.
- Optics-Ready & Suppressor-Ready: The slide is cut for the SIG ROMEO1PRO footprint and includes an adapter plate for other common optics. It also features tall, suppressor-height X-RAY3 night sights and a threaded barrel.
- Enhanced Trigger & Controls: Features the flat-faced, skeletonized LEGION trigger for a clean, crisp break, along with an extended magazine release and slide catch lever for intuitive manipulation.
- Superior Ergonomics: The AXG grip includes interchangeable backstrap panels, allowing you to tailor the grip circumference to your hand for optimal control and comfort.
Full Spec Sheet
| Model | P320-AXG LEGION |
| Caliber | 9mm |
| Barrel Length | 4.7″ Threaded |
| Overall Length | 8.5″ |
| Height | 5.5″ |
| Weight (measured) | 0.5 oz |
| Frame Material | Aluminum Alloy (AXG Grip Module) |
| Sights | Suppressor-Height X-RAY3 Day/Night Sights |
| Magazine Capacity | 17+1 Rounds (2 included) |
Q & A
Is the optics cut compatible with a Holosun 507C?
Yes, but it requires an adapter plate. The slide is cut specifically for the SIG ROMEO1PRO footprint. We recommend using the included SIG adapter plate or a quality aftermarket plate designed for the ROMEO1PRO cut to Holosun 507C pattern.
How does the AXG grip module affect handling?
The aluminum AXG module adds weight low in the frame, which significantly reduces muzzle flip and improves balance. The checkering and contour provide a secure, consistent grip. The added mass makes for a softer-shooting experience compared to standard polymer P320 variants.
What comes in the case?
The pistol ships in a hard LEGION case with two 17-round magazines, the optics adapter plate, a cable lock, and owner’s manual. The case also has slots for additional magazines and accessories.
✅ Orders ship within one business day
✅ Discreet, unmarked shipping
✅ Hassle-free 30-day returns
✅ Your payment data is never stored




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