About the Sig Sauer P365 Threaded Barrel
Factory 3.7-inch threaded 9mm barrel for P365 and P365X pistols with 3.1-inch slides, threaded 1/2×28 for suppressors and muzzle devices.
Key Features
- Factory threaded barrel for suppressors and compensators
- 1/2×28 RH threads
- Loaded chamber indicator witness hole
- Specially heat-treated for toughness and durability
- Covered by the SIG SAUER Infinite Guarantee
Specifications
| Caliber | 9mm Luger |
| Barrel Length | 3.7 in (93.98 mm) |
| Threaded | Yes |
| Thread Pitch | 1/2×28 RH |
| Loaded Chamber Indicator | Yes |
| Material | Heat-treated steel |
| Finish | Nitron |
| Color | Black |
| Compatible | P365, P365X (3.1″ slides) |
| Not Compatible | P365XL, P365 XMACRO, P365-FUSE slides |
| Part Number | 8902059 |
FAQ
What does it fit?
It fits the Sig Sauer P365, P365X.
What’s included?
Threaded barrel, thread protector cap
Where can I buy it?
Order online or visit Black Bayou Armory in Benton, LA.






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