
Availability: In Stock
The True Precision Inc Fuse 9mm barrel for Sig P365 is a precision-machined replacement barrel built for shooters who demand better accuracy and reliability from their carry gun. Machined from 416R stainless steel and finished in black nitride, this 4.30" barrel is engineered to tight tolerances and drops into your P365 Fuse without gunsmithing. Whether you're upgrading for tighter shot groups at the range, swapping to a threaded design for suppressor use, or simply replacing a worn barrel, this is the kind of no-compromise component that separates serious shooters from casual ones.
True Precision has built a reputation in the aftermarket barrel space by focusing on fit and function over marketing noise. This barrel is purpose-built for the P365 Fuse platform—no guesswork, no adapters needed. The 416R stainless steel is corrosion-resistant and durable, and the black nitride finish protects against wear while maintaining a clean, professional look. Threading opens up your options for muzzle devices and suppressors, giving you flexibility whether you're running it stock or building a more specialized setup.
Drop-in replacement barrels are one of the easiest pistol upgrades you can make, and they often yield measurable improvements in accuracy and point-of-impact consistency. If you shoot your P365 regularly—whether for concealed carry, backup defense, or just testing your fundamentals—a quality barrel like this one is a worthwhile investment that will pay dividends over thousands of rounds.
| Brand | True Precision Inc |
| Caliber | 9mm Luger |
| Barrel Length | 4.30" |
| Material | 416R Stainless Steel |
| Finish | Black Nitride |
| Fit | Sig P365 Fuse |
| Threading | Threaded |
Yes, this barrel is purpose-built as a drop-in replacement for the Sig P365 Fuse. No gunsmithing or fitting required.
Yes, the threaded design allows you to attach suppressors, compensators, flash hiders, and other compatible muzzle devices.
The barrel is machined from 416R stainless steel and finished in black nitride, which provides corrosion resistance and durability.
Drop-in barrels for the P365 Fuse are among the easiest pistol upgrades—typically a straightforward swap that takes just minutes. If you're unsure, consult the manual or a qualified gunsmith.

SKU: 144600302 • Width: 2.7in • Height: 1.1in • Depth: 6.6in • Weight: 0.225oz





Availability: In Stock
The True Precision Inc Fuse 9mm barrel for Sig P365 is a precision-machined replacement barrel built for shooters who demand better accuracy and reliability from their carry gun. Machined from 416R stainless steel and finished in black nitride, this 4.30" barrel is engineered to tight tolerances and drops into your P365 Fuse without gunsmithing. Whether you're upgrading for tighter shot groups at the range, swapping to a threaded design for suppressor use, or simply replacing a worn barrel, this is the kind of no-compromise component that separates serious shooters from casual ones.
True Precision has built a reputation in the aftermarket barrel space by focusing on fit and function over marketing noise. This barrel is purpose-built for the P365 Fuse platform—no guesswork, no adapters needed. The 416R stainless steel is corrosion-resistant and durable, and the black nitride finish protects against wear while maintaining a clean, professional look. Threading opens up your options for muzzle devices and suppressors, giving you flexibility whether you're running it stock or building a more specialized setup.
Drop-in replacement barrels are one of the easiest pistol upgrades you can make, and they often yield measurable improvements in accuracy and point-of-impact consistency. If you shoot your P365 regularly—whether for concealed carry, backup defense, or just testing your fundamentals—a quality barrel like this one is a worthwhile investment that will pay dividends over thousands of rounds.
| Brand | True Precision Inc |
| Caliber | 9mm Luger |
| Barrel Length | 4.30" |
| Material | 416R Stainless Steel |
| Finish | Black Nitride |
| Fit | Sig P365 Fuse |
| Threading | Threaded |
Yes, this barrel is purpose-built as a drop-in replacement for the Sig P365 Fuse. No gunsmithing or fitting required.
Yes, the threaded design allows you to attach suppressors, compensators, flash hiders, and other compatible muzzle devices.
The barrel is machined from 416R stainless steel and finished in black nitride, which provides corrosion resistance and durability.
Drop-in barrels for the P365 Fuse are among the easiest pistol upgrades—typically a straightforward swap that takes just minutes. If you're unsure, consult the manual or a qualified gunsmith.
SKU: 144600302 • Width: 2.7in • Height: 1.1in • Depth: 6.6in • Weight: 0.225oz
