...I’ll save this stuff for my 243.
49.0gr Superformance, CCI-200 (or BR-2) 75gr Speer HP, COAL 2.590", in anybodies brass is a <1MOA load in three .243's and one .243AI that I have. This is the factory load (but with a Hornady 75gr HP) in Hornady's Superformance line of ammo.
It works splendidly on Coyotes out past 400 yards!
Ed