Product Description Upgrade your SIG Sauer P365 with a True Precision threaded pistol barrel built to enhance accuracy and reliability. This drop-in 9mm Luger barrel is manufactured from 416R stainless steel with a copper TiCN finish and features added chamfering, improved radius cuts, and an upgraded feed ramp design to help promote consistent feeding with defensive-style ammunition. The SAAMI-spec chamber and 1:10 right-hand twist rifling support dependable performance, while the 1/2x28 muzzle threads allow attachment of compatible suppressors, compensators, and other muzzle devices. A thread protector is included. Product Highlights Threaded 1/2x28 muzzle for suppressors, compensators, and compatible muzzle devices 416R stainless steel barrel with copper TiCN finish for a premium look and durability Enhanced geometry (chamfers, radius cuts, and improved feed ramp) for reliable defensive-ammo feeding SAAMI-spec chamber and 1:10 right-hand twist rifling for consistent 9mm performance Includes thread protector with Viton O-ring Specs Brand: True Precision Manufacturer Part Number: TP-P365B-XTC UPC: 719104536291 Caliber: 9mm Luger Barrel Type: Threaded Thread Pitch: 1/2x28 Twist Rate: 1:10 RH Material: 416R Stainless Steel Chamber: SAAMI spec Finish/Color: Copper TiCN Included: Thread protector, Viton O-ring Fits: SIG P365 platform (per manufacturer/distributor listings) Country of Manufacture: USA 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.