I wouldn't concern myself with what COL is listed elsewhere, it's just as likely not to work as it would be to work in your rifle, stick with what you're doing now.
In my 270 with 130gr pills I have had really good accuracy with 60gr of H4831sc and the same amount of RE22. RE22 was the faster powder in my rifle and accuracy was almost identical. My rifles' barrel is only 22" so my velocity isn't all that great, will have to rectify that one day!
Another bullet worth trying is the Nosler 140gr Accubond, one ragged hole groups out of my rifle, I was very impressed with it's accuracy and it kills really well to boot!