Well, easily .75moa. With match grade ammo, .5.
When I first got it in '15, I put a 4-16x AO scope on it for load work up.
First 2-300rds were unimpressive, but at around 300rd mark, it "turned the corner" so to speak, and really tightened up.
It is ambivalent about Hornady bullets, 75's shooting better than 68's by a considerable margin. However, at 200,300yds with a 69gr Sierra over H4895 it easily holds the X-ring.
With the Sierra 80gr MK, I started with RL15 at 2.550" which is what the manuals and other HP shooters suggested. Results were so-so.
However, by soft-seating some bullets and closing the bolt manually and measuring the seated bullet, showed the throat wanted a tad more at 2.555"
Finally, I tried H4895. Voila! 22.8gr of H4895 @ 2.555" was the ticket. Shot a 0.45" cluster.
Took it to Talladega to 600yds. Exactly 1-turn up of rear sight elevation drum puts it Center, with 1-click (1/2moa) correcting windage. (From 300yd zero).
If it's not an X, it's my fault. First EIC match I shot it in, I missed getting my first distinguished points by 1-point! Really gotta work on my off-hand! I've only shot three matches to date. Not enough time, or matches. Besides, it's a 2-hour drive to Talladega, and they're always closed Monday and Tuesday, my typical shooting days...
That's why I suggested the RRA as an "entry" level set-up. The RRA with the stainless match barrel will easily get you to "distinguished" level, and High Master.
If looking to win Camp Perry, YES! You'll want a Brux, or White Oak, or Compass Lake. But, just one of their barrels will set you back more than the cost of my entire set-up.
Your money, your choice.
With 3lbs of lead in butt stock and 12oz of stick-on tire weights under forearm, mine weighs 14lbs. Crew served AR???