Actually, I take back everything I just said. First few shots with the shroud and silencer off were much more like it, the right power and the right accuracy, then I put it down to post here, went back and re-fitted the silencer etc and got the same problem as before so assumed the silencer was the problem after all. BUT, when I took it off again to get on with some accurate can bashing for a bit, the problem has now reared it's ugly head even with said silencer and shroud off. I didn't imagine the improvement on the first attempt with no shroud, it really was on the money, but now it's not. I