The Sig Sauer P365 Fuse is a compact 9mm semi-automatic pistol with a 3.7-inch barrel and an integrally compensated slide. It holds 10 rounds and ships with 3 magazines. The slide is optics-ready with a SIG-LOC compact footprint, and sights are XRay3 day/night tritium. The grip uses XMACRO polymer and the finish is Nitron Black throughout. 
 

Key Specifications 

• Brand: Sig Sauer 
• Model: P365 Fuse 
• Caliber: 9mm 
• Action: Semi Auto 
• Capacity: 10 
• Barrel Length: 3.7 in 
• Color/Finish: Nitron Black 
   

Detailed Features 

• Integrally compensated slide to reduce muzzle rise 
• XRay3 day/night tritium sights 
• Optics-ready slide with SIG-LOC compact footprint 
• XMACRO polymer grip 
• Ships with 3 magazines

Owners of the P365 Fuse focus quickly on the integral compensation. Muzzle rise is noticeably reduced compared to the standard P365 configuration, and shooters running it in carry or competition roles appreciate the faster split times it enables.

The XRay3 day/night sights and SIG-LOC optics-ready cut are consistent positives. The SIG-LOC footprint is specific to Sig optics and can limit direct-mount choices; some owners swap to a third-party plate for a broader optic selection. The three included magazines are routinely called out as good value at the retail price.

The Fuse name and P365XF platform draw comparisons to other P365 variants. Shooters who already own P365 magazines appreciate the compatible flush-fit capacity. The integral compensator adds length to the muzzle and a handful of owners find it makes concealed carry marginally harder than a standard-length P365.