Dave; Your usual excellent shooting, do you think the slight right grouping is from the wind or right hand barrel twist, I have seen slight wind drift left or right depending on which way the wind is blowing. Maybe just my imagination? The .451 seems to be one heck of a rifle, I am still going to try and talk a friend out of his. He says it's too long for him. 26in bbl, maybe he will need some $. I can only hope!!!