CZ Custom CZ Shadow 2 9mm Luger Non-Threaded Pistol Barrel 4.8 in 1-16 Polished Silver. 550in Length 4.8in - This is the bigger diameter barrel. It will not fit in a standard CZ75. The CZ75 bushing is smaller (0.502in). Specifications for CZ Custom CZ Shadow 2 9mm Luger Non-Threaded Pistol Barrel: Manufacturer: CZ Custom Color: Silver Finish: Polished Caliber: 9mm Luger Gun Make: CZ Gun Model: CZ Shadow 2 Barrel Length: 4.8 in Barrel Material: Stainless Steel Barrel Twist Rate: 1-16 Flutes: No Weight: 3.8 oz Gas Block Journal Size-Diameter: 0.55 in Gun Type: Pistol Features of CZ Custom CZ Shadow 2 9mm Luger Non-Threaded Pistol Barrel Fitting may be required Gunsmith installation recommended on barrels Package Contents: CZ Custom CZ Shadow 2 9mm Luger Non-Threaded Pistol Barrel What firearm models does the manufacturer say CZ Custom CZ Shadow 2 9mm Luger Non-Threaded Pistol Barrel is compatible with? The manufacturer suggests that CZ Custom CZ Shadow 2 9mm Luger Non-Threaded Pistol Barrel is compatible with CZ Shadow 2CZ Custom 30133: CZ Shadow 2 9mm Luger Non-Threaded Pistol Barrel 4.8 in 1-16 Polished Silver