I have floated my EV2 barrel and the results have been much better,
it has also been regulated by dave welham which has made the most difference!
Here is what i have done on mine
Air Arms HFT team member 2013-14
BSA Goldstar X Vantage
Steyr LG110 X EB Sniper
Air Arms EV2 X EB Sniper
'What is Piles?'