Caliber: 6.5 Creedmoor - Weight: 15.1 oz - Length: 8.8 in - Mount: 5/8-24 Direct Thread - Sound Reduction: 28 dB - Diameter: 1.5 in - Materials: Titanium - Finish: High-Temp. Cerakote - Predator-DT for 6.5 Creedmoor comes with a built-in patented retention system to keep the suppressor from backing off during operation. - Packing includes the following: (1) 6.5 Creedmoor suppressor. - For barrels: 18