Easy to install drop-in design. The overall length for the threaded version is 4.75in. Broach cut 6 groove rifling allows for all ammo types to be used safely, including cast lead. 9mm 1/10RH twist rifling allows all ammo types to be used safely, including cast lead. Special 11-degree competition style target crown for non-threaded versions or 1/2x28 threads with included thread protectors on threaded versions. Fully supported SAAMI spec chamber. Specifications for True Precision CZ P10C Match Grade Drop-In Threaded Barrel: Manufacturer: True Precision Threads per Inch: 1/2x28 Barrel Twist Rate: 1-10 Caliber: 9mm Luger Barrel Material: 416R Stainless Steel Gun Make: CZ Gun Model: CZ P-10 C Features of True Precision CZ P10C Match Grade Drop-In Threaded Barrel Advanced proprietary broach cut design specifically engineered for increased accuracy potential 9mm 1/10RH twist rifling Threaded versions include Viton high heat integral O-ring lock thread protector Improved overall fit from OEM with added chamfers, improved radius cuts, and other additions for a better OEM barrel Assorted specialty coatings and finishes to choose from Lifetime performance warranty for function. Package Contents: True Precision CZ P10C Match Grade Drop-In Threaded Barrel This product is compatible with the following gun models: CZ P-10 C