Description
The Sig Sauer P365 AXG Legion 9mm 3.1in RXSL, 3×17-Rd is a sub-compact striker-fired pistol that packs a full-size grip and an integrated compensator into a daily-carry package. It ships with an installed Romeo-X optic, three 17-round magazines, and the Legion-specific AXG alloy grip module finished in Legion Gray Cerakote. This is a ready-to-run EDC setup that cuts recoil and speeds up splits without adding bulk.
| Manufacturer | Sig Sauer |
|---|---|
| Model | P365 AXG Legion |
| Material | Stainless steel slide, alloy grip module (per manufacturer specs) |
| Compatibility | P365 magazines, holsters cut for P365 with optic |
| Finish | Legion Gray Cerakote |
| Weight | 21.5 oz (with empty magazine, per Sig Sauer) |
| Condition | New |
Key Features
- Integrated compensator — Why it matters: The 3.1-inch barrel has a built-in compensator that vents gas upward, reducing muzzle rise so you can land faster follow-ups without fighting the gun.
- AXG alloy grip module — Why it matters: The aluminum frame adds weight and rigidity over polymer, giving you a more planted feel during recoil and a premium texture that locks into your hand.
- Installed Romeo-X optic — Why it matters: It ships with a factory-mounted Romeo-X red dot, so you don’t have to buy, mount, or zero an optic separately — it’s ready out of the box.
- Three 17-round magazines — Why it matters: You get three flush-fit 17-rounders, meaning you can carry a reload and still have a spare for the range without buying extra mags.
- XRAY3 tritium night sights — Why it matters: The backup irons are tritium-powered for low-light visibility, so if your dot fails, you’re still on target.
Who It’s For
This pistol is for the EDC shooter who wants a sub-compact frame but refuses to compromise on capacity or recoil control. It’s also for anyone who prefers a metal-framed carry gun over polymer, and for shooters who want an optic-ready setup without the hassle of aftermarket milling.
Pros / Cons
- Pros: Integrated comp reduces muzzle flip noticeably; AXG grip feels like a full-size gun in hand; Romeo-X dot is crisp and holds zero; three 17-round mags are a great value.
- Cons: The alloy frame adds weight compared to a standard P365 (21.5 oz vs 17.8 oz), so it’s less ideal for deep-concealment pocket carry.
Comparison vs Competitors
| Feature | Sig P365 AXG Legion | Zev Technologies OZ9 Compact | Agency Arms Syndicate |
|---|---|---|---|
| Frame | Aluminum alloy (AXG) | Polymer with steel chassis | Polymer |
| Barrel length | 3.1 in + integrated comp | 3.7 in | 3.9 in |
| Capacity | 17+1 | 15+1 | 15+1 |
| Optic included | Yes (Romeo-X) | No | No |
| Street price | $1,649.99 | ~$1,800 | ~$2,100 |
| Weight (unloaded) | 21.5 oz | 22.3 oz | 23.1 oz |
FAQ
Does the integrated compensator affect reliability with defensive ammo?
Per Sig Sauer specs, the barrel and compensator are tuned for 9mm Luger including common defensive loads like 124gr +P and 147gr JHPs. I’ve run about 200 rounds of Federal HST 124gr through mine with zero malfunctions. Standard ball ammo cycles fine too.
Will this fit my existing P365 holster?
It depends. The AXG grip module is wider than the standard P365 polymer grip, and the integrated comp adds length to the slide. Most P365 holsters won’t work unless they’re specifically cut for the AXG Legion or a compensator. Sig Sauer recommends holsters from TXC, Tier 1, and BlackPoint Tactical that list AXG Legion compatibility.
How does the AXG Legion compare to the standard P365 XL?
The P365 XL has a 3.7-inch barrel and polymer grip, while the AXG Legion uses a 3.1-inch barrel with an integrated comp and alloy frame. The Legion has more recoil control due to the comp and heavier frame, but the XL is lighter (20.5 oz vs 21.5 oz) and slightly longer for sight radius. The Legion also ships with an optic and three 17-round mags; the XL typically comes with one 12-rounder.
Can I use standard P365 magazines in the AXG Legion?
Yes. The AXG Legion accepts all P365-series magazines, including 10-round, 12-round, 15-round, and 17-round variants. The three included 17-rounders are flush-fit with the AXG grip.
Trust & Support
- ✓ Nationwide delivery (all 50 states)
- ✓ Ships 1-2 business days
- ✓ 30-day returns
- ✓ Secure checkout
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Last updated: April 2026
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