First post, woot woot. I've been working up a load for a Aero Precision 308/7.62x51 with a 18 inch barrel. 1:10 twist. I just can't get these ABLR 168gr bullets to group decent, about 2-3 MOA at 100 yards is the best I can do. I've used varget, IMR 4064, and IMR 4895. I always load to around...