They all use the same valve, its the same size as a spyder valve, around 5/8 I can try to go and messure one in teh shop after I put my son down for his nap.
Bartman
__________________
Bartman
the canadian living over there
hey while everyone has thier merlins/excals/vikings torn apart, did they change the length of the valve spring? mine is almost 2.2" is that normal for aka guns?