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The P365 Fuse is what happens when Sig takes the slim frame that changed concealed carry and gives it full-size legs. You get a 4.3 inch carbon steel barrel with a DLC finish, a 7.2 inch overall length, and 17+1 capacity from the flush mag, yet the whole thing stays right around an inch wide. That narrow profile is the trick here. It rides inside the waistband far better than a standard double-stack of similar size, and the longer slide gives you a 6 inch sight radius plus a bit more velocity out of defensive loads.
This version takes the guesswork out of optics. A Romeo-X Compact red dot comes mounted from the factory on the RMSc-footprint slide, and it co-witnesses cleanly with the Dawson fiber optic front and serrated black rear sights thanks to its low deck height. The grip module is Sig's laser-stippled LXG, which has texture that locks into your hand without chewing up your cover garment, and it includes interchangeable backstraps and a removable magwell. Run the magwell for faster reloads on the range or pull it off when you want every bit of concealment. Down below, the M1913 rail has room for a full-size light, and the nickel-plated flat-faced trigger gives a consistent press once you put some rounds through it.
Sig includes three steel magazines in the box: one flush 17-rounder and two extended 21-round mags. That makes this a genuinely flexible gun. Carry it with the flush mag, keep an extended one as a reload, then swap the long mags in for range work or matches. If you already run a P365 or P365 XL as your daily gun, the Fuse makes a natural training and home defense companion since the manual of arms is identical and the holster and magazine aftermarket is huge. And if this is your first pistol, it's an easy one to grow with, since the P365 platform lets you swap slides and grip modules down the road. Striker-fired, no manual safety, and ready to work the day you pick it up.
Yes. This particular package (MPN 365XF9BFORXX) ships with Sig's Romeo-X Compact red dot mounted from the factory. The slide is cut for the Shield RMSc footprint, so if you ever want to run a different compact optic, you can swap it without sending the slide off for milling.
Yes, the Fuse uses the same P365 magazine pattern as the rest of the family. The 17-round flush mags from an X-Macro fit perfectly, and shorter P365 mags will function, though they won't sit flush in the taller grip. The included 21-round extended mags also work in other P365 models.
It carries better than the 7.2 inch length suggests because it stays right around an inch wide, so it prints far less than a traditional double-stack of similar size. The longer slide can be a factor for appendix carry depending on your build, so most folks pair it with the flush 17-round mag for everyday wear. It's a great fit for strong-side IWB or OWB carry too.
Yes. The Romeo-X Compact sits low enough on the slide that the fiber optic front and serrated rear sights co-witness through the optic window. That gives you a usable backup sighting system without needing taller suppressor-height sights.
No, this model has no manual thumb safety, which is typical for striker-fired carry pistols and keeps the draw stroke simple. As with any handgun without an external safety, a quality holster that fully covers the trigger guard is a must.
The LXG grip module includes a removable flared magwell that funnels magazines in for faster reloads, which is handy for range sessions and competition. If you want a slightly smaller footprint for carry, it pops off. The grip also comes with interchangeable backstraps so you can tune the fit to your hand.
| UPC | 798681698745 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 365XF-9-BFO-RXX |
| Action | |
| Barrel Length | 4.3" |
| Caliber/Gauge | 9mm |
| Capacity | 21 |
| Color | Black |
| Model | |
| Number of Magazines | 3 |
| Product Type | Striker Fired |
| Safety | No Manual |
| Shipping Weight | 3.4 |
| Sights | Fiber Optic |
| Sights Type | FIBER OPTIC |
| Slide Description | Optic Ready/Serrated |
| Length | 7.2'' |
| Magazine Included | 1 x 17-Round |
| 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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