
Availability: In Stock
Current Stock: Out of stock
The Sig Sauer P365XL 3.7" barrel is a factory-OEM replacement part for shooters who need a direct swap for their compact 9mm pistol. Whether you're maintaining a duty or carry gun, upgrading a worn barrel, or building a backup upper assembly, this non-threaded barrel delivers the reliability Sig Sauer's micro-compact platform is known for. The gold titanium nitride finish resists corrosion and provides a durable, professional appearance that stands apart from standard black nitron variants.
This is a precision-engineered OEM component, not an aftermarket alternative. It features Sig's factory loaded chamber indicator (LCI) witness hole, so you get the same proven functionality as your original barrel. The 3.7-inch length is the standard P365XL specification, giving you the full sight radius and velocity potential the platform was designed around. The non-threaded design means it won't accept suppressors or muzzle devices—this is the classic configuration Sig built the platform on.
If you shoot a P365XL and need a replacement barrel or are building a spare complete upper, this is a no-guessing-games part. Drop it in, verify proper fit, and you're done. Shooters who run tight round counts, practice hard, or simply want a spare component on hand will appreciate having an OEM barrel in the safe.
| Model | P365XL |
| Caliber | 9mm Luger |
| Barrel Length | 3.7 inches |
| Finish | Gold Titanium Nitride |
| Threaded | No |
| Loaded Chamber Indicator | Yes |
This is a P365XL-specific barrel. The P365 and P365XL use different barrel specifications, so verify your pistol model before ordering.
No. This barrel is non-threaded. If you need a threaded option, you'll need to source a different barrel.
Yes. The LCI witness hole is factory-machined into the barrel, so you get the same chamber status indication as the original.
You're receiving the barrel only. No other components or accessories are included.

SKU: 167527009 • Weight: 0.5oz





Availability: In Stock
Current Stock: Out of stock
The Sig Sauer P365XL 3.7" barrel is a factory-OEM replacement part for shooters who need a direct swap for their compact 9mm pistol. Whether you're maintaining a duty or carry gun, upgrading a worn barrel, or building a backup upper assembly, this non-threaded barrel delivers the reliability Sig Sauer's micro-compact platform is known for. The gold titanium nitride finish resists corrosion and provides a durable, professional appearance that stands apart from standard black nitron variants.
This is a precision-engineered OEM component, not an aftermarket alternative. It features Sig's factory loaded chamber indicator (LCI) witness hole, so you get the same proven functionality as your original barrel. The 3.7-inch length is the standard P365XL specification, giving you the full sight radius and velocity potential the platform was designed around. The non-threaded design means it won't accept suppressors or muzzle devices—this is the classic configuration Sig built the platform on.
If you shoot a P365XL and need a replacement barrel or are building a spare complete upper, this is a no-guessing-games part. Drop it in, verify proper fit, and you're done. Shooters who run tight round counts, practice hard, or simply want a spare component on hand will appreciate having an OEM barrel in the safe.
| Model | P365XL |
| Caliber | 9mm Luger |
| Barrel Length | 3.7 inches |
| Finish | Gold Titanium Nitride |
| Threaded | No |
| Loaded Chamber Indicator | Yes |
This is a P365XL-specific barrel. The P365 and P365XL use different barrel specifications, so verify your pistol model before ordering.
No. This barrel is non-threaded. If you need a threaded option, you'll need to source a different barrel.
Yes. The LCI witness hole is factory-machined into the barrel, so you get the same chamber status indication as the original.
You're receiving the barrel only. No other components or accessories are included.
SKU: 167527009 • Weight: 0.5oz
