Completely missed your post before! One inch grid, 100 yards, so just a little over .5 MOA. Primers were the Rem 71/2 BR. I also have some Winchester SR and some cheapo Sellier & Bellot SR to use. Was out today and had some similar groups with a 5 round flyer. Was a little warmer plus I put a light crimp on and was getting around 2750. At this point, my vertical dispersion has been pretty good but have been dealing with some horizontal stringing. I was thinking of trying 23.2gr but I am a little concerned about the summer and how much the velocity will rise from low 70's to 100*F plus temps.
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