thanks,
i did the mod bit, off & then on again, no differnece,
checked mounts but not wood work, will have a look at that,
i think the barrel is bedded
had 2 boxes of ammo with me, so it want a dodgy box, unless it was the entire batch!
the cross hairs dont move atall when tapped
thanks again
check that your moderator has a jointed seem ,if it has look for slightest movement this will throw your groupings, if it has renew it.