Sig Sauer P365 X-Macro TACOPS 9mm 4.3″ Threaded Barrel, 21+1
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Specs at a glance
About this product
The Sig Sauer P365 X-Macro TACOPS 9mm 4.3″ threaded barrel, 21+1 is built for shooters who want high capacity without the bulk. This compact pistol ships with a factory-installed Romeo-X Sig-Loc red dot and four 21-round steel magazines, giving you 21+1 rounds from a grip that fits comfortably in your hand. The threaded barrel lets you attach a suppressor or compensator, and the detachable flared magwell speeds up reloads. It’s ready to carry right out of the box.
| Manufacturer | Sig Sauer |
|---|---|
| Model | P365 X-Macro TACOPS |
| Material | Stainless steel slide, polymer grip module |
| Compatibility | P365 X-Macro holsters and accessories (per manufacturer specs) |
| Finish | Black Nitron |
| Weight | 21.5 oz (unloaded, with optic) |
| Condition | New |
Key Features
- Factory-Installed Romeo-X Sig-Loc Red Dot: Why it matters: You get a reliable, pre-zeroed optic that co-witnesses with the front sight, so you’re accurate right away without buying or mounting anything extra.
- Four 21-Round Steel Magazines: Why it matters: More rounds per reload means less downtime at the range and better odds in a defensive scenario. The steel body holds up to hard use.
- 4.3″ Threaded Barrel: Why it matters: You can attach a suppressor for quieter shooting or a compensator for reduced muzzle flip, making follow-up shots faster.
- Detachable Flared Magwell: Why it matters: It guides the magazine into the grip during reloads, so you spend less time fumbling and more time on target.
- Optics-Ready Slide with Sig-Loc Footprint: Why it matters: If you prefer a different red dot, the slide is cut for Sig-Loc, which also fits most RMSc-pattern optics, giving you options.
Who It’s For
This pistol fits anyone who carries daily and wants a compact gun with a serious round count. New gun owners will appreciate the factory optic and simple controls. Experienced shooters will like the threaded barrel for suppressor use and the magwell for faster reloads. It’s also a great choice for home defense, where capacity and accuracy matter most.
Pros & Cons
- Pros: High 21+1 capacity in a compact size; threaded barrel ready for accessories; factory optic saves you setup time; four magazines included; reliable Sig Sauer build quality.
- Cons: The grip texture is aggressive, which some shooters find rough against bare skin during concealed carry. A holster or undershirt helps, but it’s worth noting.
Comparison
| Feature | Sig Sauer P365 X-Macro TACOPS | Zev Technologies OZ9 Compact | Agency Arms Syndicate P320 |
|---|---|---|---|
| Capacity | 21+1 | 15+1 (with standard mag) | 17+1 (with standard mag) |
| Barrel Length | 4.3″ threaded | 4.0″ threaded | 4.7″ threaded |
| Optic Included | Yes (Romeo-X) | No | No |
| Magazines Included | 4 | 2 | 2 |
| Magwell | Flared, detachable | Flared, integrated | Flared, integrated |
| Price | $1,179.99 | $1,299.00 | $1,499.00 |
FAQ
Does the Sig Sauer P365 X-Macro TACOPS come with a red dot?
Yes, it ships with a factory-installed Romeo-X Sig-Loc red dot. The optic is pre-mounted and co-witnesses with the front sight, so you can shoot accurately right away.
How many magazines are included?
It includes four 21-round steel magazines. That gives you a total of 84 rounds if you fill all four mags, plus one in the chamber.
Can I use this pistol for concealed carry?
Yes. The grip is compact enough for IWB or OWB carry, though the aggressive texture may need a holster or undershirt for comfort. The threaded barrel adds about 0.5” to the length, so plan your holster accordingly.
What type of suppressor fits the threaded barrel?
The barrel has standard 1/2x28 threads, which fits most 9mm suppressors like the SilencerCo Omega 9K or Rugged Obsidian 9. Check your local laws before attaching one.
Is the magwell removable?
Yes, the flared magwell detaches with a simple push-pin. You can remove it for a slimmer profile or leave it on for faster reloads.
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Last updated: April 2026