what mimms means...and it is VERY relevant....if using ONLY factory loads...you have two choices 150s or 180s....most rifles will like one over the other by big margin.
so if the 150s dont do any good...find something heavy and try it BEFORE fluffing around with 150s trying to get better group....
I was in hurry day I posted your spoon volume...I know there are two hogdgon powders that are the same as AR 2213SC and AR2206H......pretty sure you have the 2206 equivilent...BUT WITHOUT CHECKING CHART arent 100% sure.
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