Hey, I hope someone can help. I have a rem 742 30.06 woodsmaster ,have it for 25 yrs with no problem. This year for some reason when trying to site it in on about the sixth or seventh round the bullets (rem 180 gr psp ) start to fly. Thought it was scope changed it same problem. At shot 4,5,6 in ten ring 1 oclock inch high # 7 12 oclock 4in high #8 6 in high 11 oclock. Have same trouble on 3 different occasions I let barrell cool bullet comes down but at 9 oclock 1 in out next high again. I have gun in lead sled so its not me In 25 years gun always shot 3 in group on sight in. It is a hunting rifle so except for this year I dont put many rounds thru it . Any help would be appreciated . deer season in 2 weeks .