Product Description The Sig Sauer BBL3659 is a factory OEM replacement barrel engineered specifically for the Sig Sauer P365 pistol chambered in 9mm Luger. Built from durable steel and finished with a Black Nitride coating, this 3.10-inch barrel delivers exceptional hardness, corrosion resistance, and a low-friction bore surface that promotes consistent cycling and reliable accuracy. Designed to install directly into your P365 without modification, it conforms to the same precise factory specifications as the original component, making it the ideal choice for restoring or maintaining your P365 to peak performance. Product Highlights Factory OEM replacement barrel designed for a direct, drop-in fit in the Sig Sauer P365 pistol Chambered in 9mm Luger for full compatibility with standard P365 ammunition 3.10-inch barrel length balances compactness and muzzle velocity, making it well suited for concealed carry applications Black Nitride steel finish provides superior hardness and corrosion resistance with a smooth, low-friction bore surface Manufactured by Sig Sauer to exact factory tolerances for dependable, consistent performance Specs Brand: Sig Sauer Model Compatibility: Sig Sauer P365 Caliber: 9mm Luger Barrel Length: 3.10" Finish: Black Nitride Material: Steel Color: Black MPN: BBL3659 UPC: 798681593934 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.