Sig Sauer P365 Fuse Comp 9mm 3.7″ Optic-Ready

The Sig Sauer P365 Fuse Comp is a compact, optic-ready pistol configured for controlled, repeatable handling in a small package. It pairs a slide-integrated compensator and a 3.7" barrel with an enclosed ROMEO‑X SIG‑LOC optic footprint to reduce muzzle rise without increasing overall length. The pistol features a polymer grip module with interchangeable backstraps and a flat-faced striker-fired trigger for straightforward operation.

Key Specifications

• Caliber is 9mm.
• The barrel measures 3.7 inches.
• Finish is Nitron.
• Grip material is polymer with interchangeable backstraps.
• Equipped with a slide-integrated expansion chamber/compensator for reduced muzzle rise: integrated compensator.
• Optic mounting is a ROMEO‑X SIG‑LOC compact enclosed optic with under-slide SIG‑LOC mounting.
• Sights are X‑RAY3 day/night style sights.
• Trigger is a flat-faced striker-fired design.
• Includes magazines as described by the manufacturer: (1) 17-round and (2) 21-round magazines.
• Weight (listed in attributes) is 1.43 lbs.

The P365 Fuse Comp balances compact size with features aimed at controllable, practical use: optic readiness, a factory-integrated compensator, and an ergonomic polymer grip module make it well suited for everyday carry and defensive-oriented applications where controllability and fast follow-up shots are priorities. Built to integrate an enclosed optic and offer modular grip fit, it provides a ready-to-use platform for users who value low-profile carry paired with enhanced shootability.