One for Larry Gibson,shot my 6.5x55 today,groups 2.5”with saeco 140 gn Lino,10.5gns PB,ditto Unique,25rounds barrel was warm.Cleaned the barrel,shot 142gn Sierra Match Kings 34gns 3031. After 8rounds barrel pretty hot, grouping ok,next 4 shots shotgun patterns ,like 6” out of group both left and right high and low.Possibly a bedding issue?What to look for, how do I fix it?Have seen this on a previous outing with this rifle, BTW bore and rifle in mint condition.
Cheers Hahndorf1874(Mal).