The Mojave 45 is the next evolution of Dead Air s 45 AUTO silencer lineup. It incorporates the patent-pending Triskelion Gas Management System, which yields the benefits of low back pressure and excellent acoustics. The Mojave 45 is compatible with multiple hosts, including tilting barrel and fixed barrel systems. Product Specifications Caliber Rating: Full Auto: Pistol calibers up to 45 AUTO with no barrel length restrictions. 300 BLK subsonic with 8 barrel. Energy Rating: 1900 ft lbs Length (Short / Long): 8.6 (long), 6.812 (short) Diameter: 1.48 inches Weight (Short / Long): 12.7 oz /10.44 oz Materials: Titanium Finish: Black Mount: .578-28 Mojave Piston (included) Barrel Restrictions: None Full Auto Rated: Yes