The Ginex primers could be approximately 4 or 5 ten-thousandths larger in comparison to the Feds plus your micro would never ever know the main difference. A wee bit off subject matter, but greatly relevant, I discovered Fed SPM’s at Brownells this morning for $89 + haz and (reasonable) shipping https://federal-ar-primers17283.blogpixi.com/32122373/rumored-buzz-on-federal-primers-gm210m