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The P320 AXG Legion is SIG's answer to everyone who loved the P320 platform but wanted something with real heft in the hand. Instead of a polymer frame, you get an all-metal AXG (Alloy X-Series Grip) module finished in that distinctive Legion Gray Cerakote, wrapped in custom Hogue G10 grip panels. That extra weight isn't just for looks. Paired with the slide-integrated two-port expansion chamber up top, it knocks felt recoil down considerably and keeps the muzzle flat shot after shot. Folks who have run it next to other P320 variants tend to describe it the same way: smooth, planted, and fast to get back on target.
The headline feature is that two-port comp machined right into the slide. Because it's built in rather than threaded onto the barrel, there's no add-on to come loose and nothing hanging off the muzzle to mess with feeding or cycling. The 3.9" barrel keeps the overall package full-size but manageable at 8.2 inches long and right around 36 ounces unloaded. You also get aggressive front and rear cocking serrations that make racking the slide easy from either end, plus an X-Series flat skeletonized trigger that breaks clean with a short, audible reset.
This is the RX configuration, so the slide is cut for a red dot straight out of the box. It's set up to take the SIG ROMEO1Pro and ROMEO2, along with the Leupold DeltaPoint Pro and Trijicon RMR. Until you mount glass, the XRAY3 day/night sights give you a bright front dot and solid tritium reference in low light. The aluminum grip module includes an installed flared magwell that practically funnels mags into place, which makes reloads quick and tough to fumble.
Worth knowing before you order a holster: the AXG frame runs a touch out of spec from the standard polymer P320, so M17-pattern or P226-sized rigs are usually the safer bet, and you'll want one cut for an optic if you plan to run a dot. Standard 17-round P320 mags won't seat in the AXG magwell, but SIG sells flush AXG mags if you want a lower-profile carry option to pair with the included 21-rounders.
Yes, and the difference is noticeable. The combination of the heavier all-metal AXG grip module and the slide-integrated two-port comp cuts felt recoil by around 25 percent, so the muzzle stays planted between shots. Reviewers who have run it back to back with other P320 variants consistently describe it as smoother and faster to get back on target.
This RX model comes with the slide already cut for a red dot using the DeltaPoint Pro footprint. It's set up to accept the SIG ROMEO1Pro and ROMEO2, the Leupold DeltaPoint Pro, and the Trijicon RMR. Until you mount an optic, the factory XRAY3 day/night sights have you covered.
Not always. The aluminum AXG frame runs slightly out of spec compared to the polymer P320, so some standard P320 holsters fit loose or not at all. Many owners have good luck with M17-pattern or P226-sized rigs, and you'll want a holster cut for an optic if you plan to run a red dot.
Standard P320 17-round magazines won't seat properly in the AXG's aluminum magwell. The pistol ships with three 21-round steel mags designed for it. SIG also offers flush-fitting AXG magazines if you want a lower-profile option for carry.
Because the comp is machined into the slide rather than threaded onto the barrel, there's nothing to come loose or knock out of alignment. With no added weight hanging off the muzzle, it doesn't interfere with feeding or cycling. Testers have reported solid, dependable function from the design.
It does both well. At full-size with a 3.9" barrel, it carries better than you'd expect, and reviewers have packed it in appendix and OWB setups without much trouble. The weight and flat-shooting nature also make it a favorite for range work and amateur competition.
| UPC | 798681720194 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 320AXGF-9-LEGION-RXSL |
| Action | |
| Barrel Length | 3.9" |
| Caliber/Gauge | 9mm |
| Capacity | 21 |
| Color | Legion Gray |
| Model | |
| Product Type | Striker Fired |
| Safety | No Manual |
| Sights | Night Sights |
| Slide Description | Ported w/Optic |
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