I have a Krait L with the mk3 Huma regulator that managed to blow out the o-rings. I went in to change them out and accidently dumped the spring washers before I could see how they were stacked! Does anyone know how they are stacked? Cupped? Back to back? If you have a picture, that would certainly help me out. It seems that I have had a jump in maintenance lately... problems with 3 different guns and none of them the same problem! It's fortunate that all I have now is time on my hands!