Dead Air Armament Sandman-S Features The Sandman-S is engineered with a focus on maximizing sound reduction boasting a remarkable 27 DB decrease in noise levels. Its solid weld Stellite core and heat-treated stainless steel construction ensure not only superior durability but also a high degree of resistance to the extreme temperatures associated with rapid firing. Featuring a Cerakote body for enhanced corrosion resistance and a nitrided muzzle for increased wear resistance the Sandman-S is built to last. Its quick detachable attachment method complemented by the factory-supplied Key Mount Muzzle Brake ensures a secure fit and easy installation or removal enhancing the user experience without compromising on performance. Dead Air Armament Sandman-S Specifications Manufacturer: Dead Air Armament Family: Sandman Model: Sandman-S Type: NFA - Silencer Caliber/Gauge: 30 Caliber | 7.62mm Finish: Cerakote Body/Nitrided Muzzle Overall Length: 6.8 inches Thread Pattern: 5/8x24 Attachment Method: Quick Detachable Diameter: 1.5 inches Construction: Heat Treated Stainless Steel Baffle Type: Solid Weld Stellite Core DB Reduction: 27 DB Weight: 17.3 oz. Shipping Weight: 1.9 lbs. Additional Information: Includes Key Mount Muzzle Brake Multi-Cal Rated up to 300win Lifetime Warranty