The email issued mentioned earlier this week is now fixed! You may also have received previous emails that were meant to be sent over the last few days - apologies, this was a one time issue and shouldn't happen again!
I too have a first shot flyer problem and after reading this thread I tried heating the barrel with a hot air solder station
through the chamber and the groping was worse. just for a few shots.
has anyone salved this with out wasting time and ammo in competition