I have a Nosler 280AI
I think you are going to need slower powder than H4831Sc
I hunt with 140 accubonds and tried a load last week with the new 150
Long range ABs (.611 BC)
Running 59.5-60.3 g of H4831sc I was only getting 2800 FPS at 500ft above sea level
I think I need to go to a slower powder