SIG Sauer P365 FUSE 9mm, 4.3 in DLC Barrel, Long Stainless Slide, 21+1, RMSc/SIG-LOC Optic Cut
This 2025 SIG Sauer P365 FUSE pairs a 4.3 in DLC-coated carbon steel barrel with a long stainless-steel slide cut for the RMSc/SIG-LOC footprint. It comes with two 21-round and one 17-round steel magazines, LXG laser-engraved grip with interchangeable backstraps, and a removable flared magwell. The frame bears the Newington, NH USA marking, and the factory case label shows model 365XF-9-BFO dated 21-JAN-2025 matching the pistol's serial number.
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.
Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This pistol shows minimal evidence of prior use. The bore is clean and shiny.
What's Included
- SIG Sauer factory hard case with exterior label '365XF-9-BFO'
- SIG Sauer P365 series owner's manual
- Crucial Concealment Covert IWB Kydex holster for SIG Sauer P365 FUSE
- Interchangeable backstraps (spare set) for the LXG grip module
- 2x 21-round steel magazines
- 1x 17-round steel magazine
The FUSE configuration builds on the P365 series with a long slide and 4.3 in barrel for added sight radius. The stainless-steel slide includes front and rear serrations and an optic-ready cut that accepts RMSc/SIG-LOC micro dots, while iron sights remain in place with a fiber-optic green front and black serrated rear.
Its striker-fired action features a flat-faced trigger and a reversible magazine release. The polymer frame includes a 1913 Picatinny accessory rail with three slots, offering direct compatibility with common lights or accessories. The removable flared magwell and LXG laser-engraved texture support confident control.
Capacity is 21+1 with the included magazines. Two extended 21-round and one 17-round steel magazines are provided, giving both extended and standard-length options out of the box.
The modular P365 Fire Control Unit enables component swaps within the platform. Marked Newington, NH USA, this example carries manufacturer part number 365XF-9-BFO. MSRP is listed at $779.99.




