SIG SAUER Unveils P365-FUSE: The Ultimate Blend of Full-Size Capability and Micro-Compact Concealment


SIG SAUER has announced the release of the P365-FUSE, a new handgun that combines the best features of full-size capability with micro-compact concealment. Robby Johnson, Chief Marketing Officer of SIG SAUER, Inc., described the P365-FUSE as “the ultimate in full-size capability and micro-compact concealment for unmatched versatility.” He emphasized the gun’s accuracy, performance, and reliability, noting its optics-ready slide and longer barrel.


The SIG SAUER P365-FUSE is a striker-fired, 9mm pistol featuring a polymer laser engraved LXG grip module, a 1913 accessory rail, a removable magwell, and interchangeable small, medium, and large backstraps. The nickel-plated flat-faced trigger and the optics-ready stainless steel slide with aggressive serrations, fiber optic front sight, and black serrated rear sight further enhance its performance. The pistol comes with a 4.3” carbon steel, DLC finished barrel. It ships with two 21-round magazines and one 17-round magazine, or three 10-round magazines in states with magazine capacity restrictions.

Additionally, the P365-FUSE ROMEO-X variant includes a factory-installed ROMEO-X compact sight. This optic is made from 7075 aircraft-grade aluminum and features a high-efficiency point source red LED emitter with a 2 MOA dot / 32 MOA circle reticle. It also boasts MOTAC™ (Motion Activated Illumination), MAGNETAC™ (Magnetic Activation), and D.A.R.C™ (Dark Adaptive Reticles & Coatings) technologies, offering a minimum continuous runtime of 20,000 hours at medium brightness.

Specifications of P365-FUSE:

  • Caliber: 9mm
  • Capacity: 21 / 17 / 10
  • Overall length: 7.2 inches
  • Overall height: 5.1 inches
  • Overall width: 1.1 inches
  • Barrel length: 4.3 inches
  • Sight Radius: 6.0 inches
  • Optics Slide Cut: Compact
  • Weight (w/magazine): 23.1 ounces
  • SKU: 365XF-9-BFO
  • SKU (State compliant): 365XF-9-BFO-10

Specifications of P365-FUSE ROMEO-X:

  • Caliber: 9mm
  • Capacity: 21 / 17
  • Overall length: 7.2 inches
  • Overall height: 5.7 inches
  • Overall width: 1.1 inches
  • Barrel length: 4.3 inches
  • Sight Radius: 6.0 inches
  • Optics Slide Cut: Compact
  • Weight (w/magazine): 24.8 ounces
  • SKU: 365XF-9-BFO-RXX

Specifications of ROMEO-X Compact:

  • Footprint: P365 and Compact
  • Magnification: 1x
  • Reticle: 2MOA Dot / 32 MOA Circle
  • Objective Lens Diameter: 24 mm
  • Illumination Settings: 12 Daytime, 3 Night Vision

The P365-FUSE is now available at retailers. For more information on the P365-FUSE and ROMEO-X optics, visit

The P365-FUSE is designed to meet the needs of those looking for a versatile, reliable firearm that combines the benefits of a full-size pistol with the ease of concealment of a compact. With its high capacity, enhanced grip, and advanced optics, it is an ideal choice for both personal defense and competitive shooting.

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