A-TEC H2 .30-5/8""-24 UNEF(VN01089) The A-Tec MEGA H2 Suppressor Silencer - Black, .30 Cal, 5/8"-24 UNEF is a revolutionary product that boasts upgraded technology and a stronger design. Its effectiveness is unparalleled, especially when it comes to the first round pop and cold barrel shots. With its modular design, you have the option to remove one or two modules for a more compact and versatile design. Combining the length of the smaller A-TEC H2 with an additional 20 mm for superior performance, the Mega H2 is a must-have for any firearm enthusiast. FEATURES: Improved technology Surface treated Very effective on the first round pop/cold barrel shot Durable Easy to use Reduce the sound pressure significantly SPECIFICATIONS: Overall Performance 38 Db(C) Silencer Weight 596 G Diameter 64 mm Over Barrel Length 100mm Added Length 150mm Total Length 250 mm Max Barrel Diameter 23.7 Mm Colour Black Calibre .30/7.62 mm Muzzle Thread 5/8"-24 UNEF