Hi, I have a KWA kriss vector. The gun stopped firing. The bolt will go to the hop up dial. It will place a BB in the inner barrel, but it won't fire. Looks to me like there is no pressure to propel the BB forward. It's noteworthy to add that I replaced my barrel and hop up with EVO II (
http://shop.ehobbyasia.com/maple-lea...l#.VIKG48mCVQs) and that I have removed my piston spring hanger roll pin, in order to install
http://www.evike.com/products/49278/. But then I changed my mind and placed the Pin back. Only thing that I can think off is if I damaged the piston somehow. Any Ideas?