B&T Rotex V Mock Barrel Extension Color:Muddy The FLUX helmet is specifically Warranty and after sales The FLUX helmet is specifically designed to follow the natural shape of your head Two 4" MOD Straps included Featuring a rugged yet lightweight construction and with authentic markings this ROTEX fully licenced barrel extension tube will give your airsoft replica that ‘special operations’ look in seconds With a superior finish this awesome looking barrel extension tube features a screw on lock with a ratchet mechanism for a quick and tight fit on to the flash hider and outer barrel of your replica which can be adjusted with a turn of a screw to be a more secure and permanent fit