I recently purchased some ar comp to try in my ar's. I have loaded several different loads for 75gr hordany bthp, 69gr smk, and 68gr hornady bthp. Infant get anything to group better than 1.5" at 100. I loaded from .9gr below max to .6gr above max on each of these with poor results. I am shooting them out of a 24" stag 1/8 twist 5.56 barrel alone with a white oak armament 1/7 twist 223 barrel. Anyone else having issues getting this stuff to group? I am loading it to 2.26"