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The P365 AXG Legion has always been the top of the P365 food chain, and the RXSL configuration takes it one step further by putting a Romeo-X red dot on the gun right out of the box. The optic mounts via Sig's SIG-LOC Compact system, which uses a five-point contact design that locks the sight in place and keeps it there. The Romeo-X sits low enough to still give you a lower-third co-witness with the factory XRAY3 tritium night sights, so you have a solid backup if you ever need it.
The AXG part of the name stands for Alloy XSeries Grip, and it matters. Where standard P365 variants use a polymer frame, this pistol is built on a machined aluminum alloy grip module. The added weight works in your favor at the range, helping the gun absorb recoil and sit flatter between shots. Pair that with the two-port integrated expansion chamber built directly into the stainless steel slide, and you end up with a micro-compact that shoots noticeably more like a mid-size pistol. The compensator is part of the slide itself, so there are no reliability concerns, no extra length, and nothing to come loose.
The grip itself is finished with custom G10 Chevron panels, front and backstrap checkering, an undercut trigger guard, and a removable flared magwell. All of that adds up to a grip that feels locked-in even under stress or in wet conditions. The flat-faced Legion trigger has a short reset and a consistent break, which makes it easier to run the gun quickly without losing control of where the shots land.
This configuration ships with three 17-round steel magazines, each fitted with Legion alloy basepads. That means you have 17+1 in the gun and two full spares on standby. The slide has forward and rear serrations and an optics-ready cut that uses the Shield RMSc footprint, so if you ever want to swap to a different optic, you have options beyond the installed Romeo-X. There is also a 1913 Picatinny rail up front for a weapon light or laser. The whole package is finished in Sig's signature Legion Gray Cerakote.
This is a gun built for people who carry every day and want the best carry pistol available, not the lightest or cheapest. At 27.2 ounces unloaded, it weighs more than a polymer P365, but that weight is exactly what makes it shoot the way it does.
This specific RXSL configuration ships with the Romeo-X Compact red dot already installed via the SIG-LOC Compact mount. You do not need to purchase an optic separately or do any fitting. The SIG-LOC system uses a five-point contact design to keep the optic locked and on zero, even under hard use.
The RXSL model uses the SIG-LOC Compact cut, which is designed specifically for Sig's Romeo-X series optics and offers a very low mount profile for a clean co-witness with the XRAY3 irons. The standard RMSc footprint model accepts a wider range of third-party micro red dots. If you plan to run the Romeo-X, the RXSL is the better fit. If you want maximum optic flexibility down the road, the standard optics-ready version gives you more options.
The AXG Legion runs noticeably flatter than its polymer counterpart, thanks to the combination of the alloy frame's added weight and the two-port integrated expansion chamber in the slide. The heavier frame helps absorb recoil impulse before it gets to your hands, and the compensator reduces muzzle rise so the gun comes back on target faster. For anyone who shoots the platform regularly or carries it daily, the difference is real and worth it.
No, the AXG Legion's metal frame and larger grip module give it different dimensions than polymer P365 variants, so it requires holsters specifically molded for it. It is also worth noting that Sig released an updated Gen 2 version of the AXG Legion in early 2025 with slightly revised dimensions, so when shopping for a holster, make sure the maker specifies which generation their mold fits to ensure a proper retention fit.
No, this model does not include a manual safety. The pistol relies on Sig's internal safety mechanisms, which are standard for the striker-fired P365 platform. This is consistent across the AXG Legion lineup.
The AXG Legion uses the same magazine pattern as other full-grip P365 X-Series models, so it is compatible with standard P365 double-stack magazines. The three included 17-round steel magazines with Legion alloy basepads are optimized for this gun, but other P365-compatible magazines in the same capacity range will also function properly.
| UPC | 798681725236 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 365AXGCA-9-LEGION-RXSL |
| Action | |
| ATF Type | Pistol |
| Barrel Length | 3.1'' |
| Caliber/Gauge | 9mm |
| Capacity | 17+1 |
| Color | Gray |
| Length | 6.6'' |
| Magazine Included | 3 x 17-Round |
| Model | |
| Number of Magazines | 3 |
| Package Height | 3.5 |
| Package Width | 10.0 |
| Product Type | Semi-Auto Pistol |
| Shipping Weight | 3.65 |
| Sights | Std. X-RAY 3 Day/Night Sights |
| Sights Type | Night Sights |
| Slide Description | Optic Ready/Serrated |
| State Restriction (CA) | NO DIRECT SHIP TO CALIFORNIA |
| State Restriction (RI) | NO DIRECT SHIP TO RHODE ISLAND |
| State Restriction (WA) | NO DIRECT SHIP TO WASHINGTON |
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