SIG Sauer P365 FUSE XSeries 9mm, 4.3" Barrel, Optics-Ready, Black, 21+1 with Three Magazines
This P365 FUSE XSeries pairs a 4.3" carbon-steel DLC barrel with a stainless slide in Nitron, adding an optics-ready cut with cover plate and XSeries ergonomics. It ships with three high-capacity P365 macro-pattern magazines (two 21-round and one 17-round), interchangeable backstraps, and a factory case. Marked NEWINGTON, NH USA and built in the United States, it is a compact, striker-fired 9mm configured for modern carry and range use.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Shows minimal evidence of prior use. The bore is clean and shiny.
What’s Included
- SIG Sauer factory hard case
- SIG Sauer pistols owner's manual
- Interchangeable backstraps (S and L spares; one installed)
- SIG Sauer ROMEO-X accessory kit (bagged hardware; optic not included)
- 2x 21-round SIG Sauer factory P365 macro-pattern steel magazines
- 1x 17-round SIG Sauer factory P365 macro-pattern steel magazine
The FUSE XSeries slide features an optics cut with the cover plate installed, plus front and rear serrations and lightening cuts. The stainless slide wears a Nitron finish, balancing corrosion resistance with a low-glare black appearance.
The 4.3" barrel is carbon steel with a DLC finish. The compact polymer frame is finished in black and includes a standard 4-slot MIL-STD-1913 accessory rail on the dustcover for lights or other accessories.
The XSeries grip module includes interchangeable backstraps and an integrated flared magazine well. A flat-faced trigger complements the striker-fired action, and there is no external manual safety.
Sight picture is provided by factory sights with a high-visibility front and a rear notch. Dimensions are approximately 7.2" overall length, 5.1" height, and 1.1" width; weight is about 23.1 oz.
This configuration includes two 21-round and one 17-round magazines (mix of extended and compact lengths), providing a 21+1 capacity. It carries SIG Sauer markings for Newington, NH, and corresponds to part number W365F-9-BXR3P-RXE. Note: although the RXE package typically denotes inclusion of a ROMEO-X Enclosed optic, the optic is not included with this listing; the slide has the cover plate installed and only the accessory hardware is present. MSRP listed at 780.00 USD.




