I am having trouble getting acceptable accuracy on paper with my 7mm08 with any factory ammo. It just will not shoot the 140 gr stuff from any manufacturer that I can find so I started re-loading. It's still giving me fits but I did find a load that is finally not key holing when it hits the paper. I don't know what to think about it. I've had some say that it was the burn rate of my powder making them do that but I don't know. If it was the burn rate of the powder why does the factory stuff do it? I was of the thought that it was the twist rate of my barrel. My rifle is only a year old and was lead to believe it was a 9 twist if this is the case should it shoot the heavier bullets better, right? The only load I can find that will shoot near an inch is 160 gr speer spritzers, over 40 grains of IMR4320, .015" off the lands, with Winchester LR primers.

Any input would be greatly appreciated.