SANDMAN X 7.62MM/30 CALIBER RIFLE SUPPRESSOR W/XENO MOUNT The Sandman X is the pinnacle of Dead Air's unwavering commitment to performance and an evolution to the venerable Sandman line. The Sandman X incorporates decades of research to give users the most pleasurable shooting experience possible by optimizing sound, balancing backpressure, and eliminating flash to increase performance for semi-automatic and bolt action rifles alike. SPECS Caliber Rating: Up to .300 RUM Energy Rating: 4200 ft lbs Bore Diameter: .30 caliber Length: 6.4" (Xeno) Diameter: 1.65 inches Weight: 0.90625 lb (Xeno) Materials: Hay Mfg: Dead Air Armament