I got this in a package deal and was told it is an original DonnyDu. It has the felt washers and middle “curler” section. It has a 1/2x20, a Vulcan thread and a 14x1 endcap. It was on a .25 Vulcan so I know it goes that big at least. There are also two front caps of different colors to suit your fancy. It goes without saying this is for airgun use only and it is up to the buyer to know if they are legal where you live. Price is $120 shipped in the US. The body is real carbonfiber not just a wrap. Paypal is prefered and you can PM me with any questions. Clearly the Vulcan is for reference only and is already sold anyway.