The Wolf Hunter Suppressor is Diligent\'s 6mm hunting can. It's best used where maximum suppression is needed in a light weight package. It's compact length (6-3/4\") allows great performance on calibers 6mm and below. Wolf Hunter Specs: Calibers: Up to 6mm (bore 0.281\") Material: Titanium Length: 6-3/4\" Diameter: 1-5/8\" Mounting Options: Anything Bravo or 1-3/8A-24 thread Weight: 9.1oz Direct Thread Included: 1/2\"x28 and 5/8\"x24 Finish: Graphite Black