Description
The Fusion XP Comp takes everything people liked about the XP Pro and adds a factory-integrated compensator to the equation. The result is a wide-body 9mm that shoots noticeably flatter and gets back on target faster than a standard pistol in the same class. It runs on the 1911-based double-stack platform with a grip angle and control layout that 1911 shooters already know, while feeding from Glock 17 magazines so finding mags is never a problem. Frame, slide, and barrel are all CNC-machined from bar stock, not cast or MIM, and the whole thing wears a Tennifer QPQ finish known for its corrosion resistance and durability.
What Makes the XP Comp Different
The compensator on the XP Comp is secured using Fusion's patent-pending pin system rather than threads, meaning the barrel itself isn't threaded. The comp is locked on cleanly, with no exposed screws or pin holes on finished production guns. Port geometry is angled specifically to push gas upward and counteract muzzle rise, keeping the dot or front sight on the target between shots. The barrel is a Clark/Para-style ramped bull barrel paired with a full-length one-piece guide rod for consistent cycling and recoil management. Internally, the trigger is a one-piece milled steel unit, the kind of part you'd normally find only on higher-end builds.
XP Comp Setup and Optics
The slide is pre-cut for the RMR/RMSc footprint, and an optic plate is included so you can mount a red dot the same day it arrives. The fiber optic front sight and Novak-compatible rear combat sights are already installed on the plate if you want to run irons first. The steel frame also includes a Picatinny rail for a light or laser, and the modular aluminum grip features a removable magwell for faster reloads. Ambidextrous thumb safety comes standard, rounding out a feature set that's genuinely competition-ready without any modifications needed out of the box.
Key Specifications
- UPC: 789049493171
- MPN: XP-COMP-9-BLK
- Manufacturer: Fusion Firearms
- Caliber: 9mm
- Action: Semi-Auto, Striker Fired
- Barrel Length: 4.6" (with integrated compensator)
- Overall Length: 8 inches
- Weight: 44 oz
- Capacity: 17+1
- Platform: 1911-based wide-body double stack
- Magazine Compatibility: Glock 17 (2 x 17-round included)
- Construction: All bar-stock, precision CNC machined
- Finish: Tennifer QPQ
- Sights: Fiber optic front, Novak-compatible rear, optic plate included
- Optic Footprint: RMR / RMSc
- Safety: Ambidextrous thumb safety
- Frame: Steel with Picatinny rail
- Color: Black
What’s Included
- Fusion XP Comp 9mm pistol
- 2 x 17-round Glock-compatible magazines
- RMR / RMSc optic plate
- Hard case
Frequently Asked Questions
Does the Fusion XP Comp use a threaded barrel for the compensator?
No, the compensator on the XP Comp is not secured with a threaded barrel. Fusion uses a patent-pending pin system that locks the comp in place without threads, and finished production guns have no visible screws or pin holes. The comp has a clean, integrated look and is purpose-built as part of the barrel assembly.
What magazines does the Fusion XP Comp take?
The XP Comp is designed to feed from standard Glock 17 double-stack magazines, and it ships with two 17-round Glock-compatible magazines. Most Glock 17-pattern mags from reputable brands will work, though some owners report that a quick break-in or light polishing of the magazine body helps ensure drop-free reliability with certain third-party options.
Is a red dot optic included with the XP Comp?
No red dot is included, but the slide is pre-cut for the RMR/RMSc footprint and an optic plate is included in the box. That means you can mount a compatible Trijicon RMR, Holosun 507C, or SRO-footprint optic immediately without any additional machining. The fiber optic front sight and Novak-compatible rear are mounted on the plate and co-witness when irons are used.
How does the XP Comp compare to the standard Fusion XP Pro?
The XP Comp is built on the same bar-stock 1911 wide-body platform as the XP Pro but adds the factory-integrated 4.6" compensated barrel system, which extends the overall length slightly and meaningfully reduces muzzle rise for faster follow-up shots. Both guns share the same frame geometry, Glock 17 magazine compatibility, optic-ready setup, and Tennifer QPQ finish. The Comp is the better pick if you're running competition or just want the flattest, most controllable version of the platform.
Is the Fusion XP Comp a hammer-fired or striker-fired pistol?
The XP Comp is listed as striker fired in its product specifications. It is built on a 1911-based wide-body platform, which means it retains 1911-style controls including an ambidextrous thumb safety and single-action trigger characteristics, combined with a striker firing mechanism rather than a traditional hammer.
What kind of construction quality can I expect from the XP Comp?
The XP Comp is CNC-machined entirely from bar stock, meaning there are no cast or MIM components in the frame or slide. The barrel is a Clark/Para-style ramped bull barrel, the trigger is a one-piece milled steel unit, and the whole gun is finished in Tennifer QPQ, which is the same type of corrosion-resistant treatment used on high-end European service pistols. Range reports indicate the gun shoots flat and runs reliably once properly lubricated out of the box.






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