6.5 grendel

Ive enjoyed learning to handload hammers and have produced usable results but I would like to shrink my group size. Last year I developed hunting loads for my 280ai and my 6.5 Grendel to use on elk and deer, respectively. Both of these loads are getting me around 1.5moa, which to me, is usable...

I have a handload for my 6.5 Grendel using the 97gn Absolute but neck tension is really light and chambering in a gas gun more than once can affect COAL. Ive been crimping using a Lee Factory Crimp Die to help. Ive tried various crimp settings but chambering a round still can possibly move it...