Smokin250, you are just going to have to work up a load for your rifle. Start off about mid way between the recommended minimum and max charge and increase your powder charge .5g at a time, shoot only 3 shots at a time.
Don't expect a red hot barrel to shoot tiny groups.
I cool my barrel with a solution of 50/50 water & rubbing alcohol on a rag...you want the solution dripping off the bottom of the barrel...oil the barrel when you get home if it is a blued barrel.
