I have a 270 (mossberg 4x4) and 308 (ruger american) sporter style hunting rifles and both shoot tight groups for the first three shots from a cold barrel and then the shots open up quite a lot. Like this morning, first three shots were all within 1 inch at 100 yards and then wento 3 to 4 inches. I understand this is a common problem caused by barrel heating and is to be expected. If I let the barrels cool down, they are accurate again for a few shots, but it can take quite a while to cool down.
I really don't want to go to the range just to make three good shots from each gun. Any recommendations on a rifle that would be accurate for more continuous shooting?
I really don't want to go to the range just to make three good shots from each gun. Any recommendations on a rifle that would be accurate for more continuous shooting?