Re: Lateral POI shift between loads
OK,
Here's a curveball for you. 7mm-08Rem. 150grn Sierra Matchkings, 41.1grn Varget. Zero'd at 100 yards, spot on.
Same rifle, same day, (within minutes), same cases, same primers, same tub of Varget, measured in the same way, but this time it's a Sierra...