went shooting this weekend...by looking at the brass (lc 06,imi ,ad ,wcc,rorg,fc 07,rem,pmc,s&b,win,& misc mil.) how do you tell if the load is too hot? started at 23,24,24.5,25,25.5,26,26.5,&27 grs..........there all pretty much the same looking ...no crack ,all have burnt marks.........if i...