Quote Originally Posted by T 20 View Post
Quite right harry mac
And it did give me a spare piston and cylinder to try O rings out on (19mm Id x 2.5mm works Guy ).
I'd be interested to hear the results of the o-ring experiment. Does it increase the power at all?
I've got a spare MKIII which is there solely to act as a donor rifle for spare parts should the others need them. It exhibits nearly every fault that the Hawks are renowned for.