I gave it a go again this afternoon, I dont know if it was the wind or a clean barrel but this group opened up quite a bit. The crosswinds were 5-10mph gust.
5 shots @ 100 yds 40 gr V-Max handload....
This is the same load as the above groupbut I waited about 15 minutes for the wind to die down. Man I almost had a scorcher again...4 shots into .250" but the flyer opened it up to .430". This was shot with a fouled barrel and in calm conditions....maybe it was the wind???
5 shot@100ydssame load as above....