The SIG SAUER P365 Fuse is a 9mm semi-automatic pistol with a 4.3-inch barrel and an optic-ready cut. It ships with 17-round and 21-round magazines in a Tequila finish with black controls. 
 

Key Specifications 

• Brand: SIG SAUER 
• Model: P365 Fuse 
• Caliber: 9mm 
• Action: Semi Auto 
• Capacity: 17+1 / 21+1 
• Barrel Length: 4.3 in 
• Color/Finish: Tequila 
   

Detailed Features 

• Optic-ready slide with factory cut 
• 4.3-inch barrel 
• Ships with both 17-round and 21-round magazines 
• Black controls on Tequila-finish frame

Owners of the P365 Fuse in Tequila typically appreciate the optic-ready setup straight from the box, noting that it removes the extra step of sending the slide out for milling. The 4.3-inch barrel gives a bit more sight radius than the compact P365 without pushing the pistol into full-size territory.

Ergonomics get good marks overall, though a few owners find the grip texture aggressive enough to wear gloves during long range sessions. The inclusion of both 17-round and 21-round magazines is a recurring positive; most users treat the 17-rounder as the carry option and the 21-rounder as the range magazine.

Value perception is mixed. The Tequila finish looks distinctive on the shelf, but some owners feel it commands a premium that a standard matte black version does not. Aftermarket support for the P365 platform is broad, so adding sights and lights to the Fuse is straightforward.