35grs of Varget produces less that 1/2 moa with 60gr V-Max out of a 8"twist 26"brux bbl. I then loaded 38grs of H414 behind Sierra's new green tip 69gr bullet. Shot 5 shots 4 shots into 3/4MOA but then one flyer opening group up to 1 1/4 MOA. Any suggestions ?