I don't remember how much powder he ended up at, but I could ask and find out. We went off of this:

https://forum.nosler.com/viewtopic.php?f=4&t=32449

With an 8" twist you should be good to go. I bet you'll love it. But I'd suggest trying to avoid hearing the barrel up. My buddy would just shoot as fast as he could load them, and he'd have to seat the next 50 round batch a little further out every time he reloaded them. No joke. Eventually he couldn't get near the lands with a bullet still in the case, and accuracy was gone.