SIG SAUER P365 FUSE 9mm Striker-Fired Pistol with ROMEO-X Compact Optic, 4.3" Barrel, 21+1
This SIG SAUER P365 FUSE is a P365-series 9mm pistol configured with a factory-installed ROMEO-X Compact optic and a 4.3" carbon steel barrel. It features a stainless-steel slide with a black Nitron finish, a flat-faced trigger, and a polymer frame with a textured grip surface. The setup is supported by a Picatinny/M1913-style accessory rail and a flared, funnel-style magazine well, with high-capacity magazines included.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Specific Condition Notes: The pistol shows minimal signs of use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
What’s Included
- SIG SAUER ROMEO-X Compact red dot optic (installed)
- 2x 21-round magazines
- 1x 17-round magazine
- Factory SIG SAUER hard case
- SIG SAUER manuals/paperwork (including ROMEO-X operator’s manual)
- Interchangeable grip/backstrap inserts
Marked as a recent release, this P365 FUSE package combines the P365-series footprint with a longer 4.3" barrel and an optics-forward setup. The slide is marked "P365" and finished in black Nitron over stainless steel, matching the overall black finish theme.
The installed SIG SAUER ROMEO-X Compact optic is a micro red-dot from the ROMEO-X line, with the optic body marked "ROMEO-X." The pistol also retains iron sights, using a green fiber-optic front sight and a black serrated rear notch for a clear, simple sight picture.
On the frame, the textured grip surface and interchangeable backstrap inserts allow the fit to be tuned to the shooter. The dust cover includes a Picatinny/M1913-style accessory rail, and the pistol is equipped with a flared, funnel-style magazine well.
This example includes three P365-series magazines total, with a maximum capacity listed as 21+1. The barrel hood is marked "SIG SAUER," and the frame marking includes "NEWINGTON, NH USA." The case label shows a date of 19-MAR-2025 and indicates "Made in United States."