Description
The Sig Sauer P365X Macro Comp Romeo-X 9mm 17rd 2 Mag Black is a factory-compensated, concealable handgun that ships ready to carry with a Romeo-X red dot installed and two 17-round magazines. It’s built for shooters who want reduced muzzle rise, faster follow-up shots, and high capacity without stepping up to a full-size frame. This is a serious tool for everyday carry, home defense, or range work—backed by Sig Sauer’s reputation for reliability.
| Manufacturer | Sig Sauer |
|---|---|
| Model | P365X Macro Comp with Romeo-X |
| Material | Stainless steel slide, polymer frame (per manufacturer specs) |
| Compatibility | Sig Sauer P365 series holsters and magazines |
| Finish | Black Nitron |
| Weight | 21.5 oz (unloaded, with optic, per Sig Sauer specs) |
| Condition | New |
Key Features
- Integrally Compensated Slide — Why it matters: The built-in compensator vents gas upward, reducing muzzle flip and letting you stay on target for quicker, more accurate follow-up shots. It’s a real advantage in defensive or competition shooting.
- Romeo-X Red Dot Installed — Why it matters: This optic is factory-mounted and co-witnesses with the XRAY3 suppressor-height sights, so you get a crisp dot and iron backup without any extra work or gunsmithing.
- Two 17-Round Magazines — Why it matters: High capacity in a compact frame means you carry more rounds without the bulk of a full-size gun. That’s 34 rounds total out of the box.
- XRAY3 Day/Night Sights — Why it matters: Tritium inserts and bright front ring give you a visible aiming point in any light—low-light or no-light—without batteries.
- Interchangeable Backstraps — Why it matters: Three included grip modules let you tailor the fit to your hand size, improving control and comfort for all-day carry.
Who It’s For
This pistol is for the shooter who demands high capacity in a concealable package and wants factory-level reliability. It’s ideal for everyday carry, home defense, or as a compact competition gun. If you’re a southern shooter who values a flat-shooting, fast-handling 9mm, this rig will serve you well.
Pros & Cons
Pros: Factory-compensated slide reduces recoil noticeably. Romeo-X optic is bright and holds zero. High 17-round capacity in a slim frame. Suppressor-height sights co-witness with the dot. Fit and finish are excellent for the price point.
Cons: The compensated slide does produce more gas and noise than a standard barrel—something to be aware of if you’re shooting indoors without ear pro. Also, aftermarket holsters for the Macro Comp can be harder to find than for the standard P365.
Comparison
| Feature | Sig Sauer P365X Macro Comp Romeo-X | Zev Technologies OZ9 Compact | Agency Arms Syndicate S2 |
|---|---|---|---|
| Capacity | 17 rounds | 15 rounds | 15 rounds |
| Slide | Factory compensated | Optic-ready, no comp | Optic-ready, no comp |
| Optic Included | Yes (Romeo-X) | No | No |
| Weight (unloaded) | 21.5 oz | 24 oz | 22 oz |
| Price | $1,099.99 | $1,299 | $1,199 |
| Trigger | Striker, 4.5 lb pull | Striker, 3.5 lb pull | Striker, 4.0 lb pull |
Compared to the Zev OZ9 Compact and Agency Arms Syndicate S2, the Sig Sauer P365X Macro Comp Romeo-X offers a higher capacity, an included optic, and a factory compensated slide at a lower price. The Zev and Agency Arms have aftermarket triggers and more modular frames, but they lack the integrated comp and don’t ship with a red dot.
Does the Sig Sauer P365X Macro Comp Romeo-X come with a holster?
No, the pistol does not ship with a holster. You’ll need to purchase one separately. Many quality holster makers like Vedder, Tier 1 Concealed, and CrossBreed offer options for the Macro Comp slide profile.
Can I use standard P365 magazines in this pistol?
Yes, standard P365 10-round and 12-round magazines will work in the P365X Macro Comp frame, but they will not fill the grip length. The 17-round magazines are designed for this frame and provide a full grip.
Is the Romeo-X optic waterproof and shockproof?
Yes, the Romeo-X is rated IPX7 for water immersion and is shockproof to 2 meters drop height per Sig Sauer specs. It’s built to withstand the recoil of a 9mm pistol and daily carry conditions.
What is the warranty on this pistol?
Sig Sauer offers a limited lifetime warranty on the firearm to the original owner. The Romeo-X optic carries a 5-year warranty. Always register your product with Sig Sauer for full coverage.
✔ Nationwide delivery (all 50 states) | ✔ Ships 1-2 business days | ✔ 30-day returns | ✔ Secure checkout
Browse more in our Semi Auto Handguns or see our Red Dot Optics and Concealed Carry Gear.
Last updated: April 2026

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