Describe<br />Brand New.<br />materials：T6 aluminium alloy<br />Quick Detach Design.<br />full length: 190mm<br />The longest eat tube: 55mm<br />Pipe diameter: 31mm<br />Connect the 16mm tube<br />Export: 7.5/9.8mm<br />Color: Black<br />Weight: 180g<br />Packing:1x<br />Air gun applied<br />Adapter type<br />Silent effect 95%