The only Sierra bullets I've use were 168 grain Federal Sierra HPBT Match rounds. They shot ok but Remington Premier HPBT Match does better in my rifle. It may not be the bullet but the load recipe Federal is using, so take it for what it's worth. Your rifle might be the opposite and Like the Federal Match rounds better.
As far as 180 grain bullets, I haven't shot any yet. I'm still working on what else shoots just as well or better out of my rifle, if and when PA ever allows me to use it.