They are great guns. I'm shooting weekly SR and TR with one at the moment and mine is incredibly accurate, considering it's age. With a tuned load it's easily a 1.5moa shooter at 800m from a TR jacket, if you're doing your bit.
This is a 300m deliberate, with a cheap Speer pill:
https://youtu.be/CRdHEex_nsc I know for a fact that the Sierras group even tighter for an application.