georgehwbush
New member
shooting 243win for years now and while not a competitor i shoot pretty good, but of late; I have been shooting 100yd groups in the .75" range, but at 200yds they open up to 3.75" that's a five fold increase in size at only twice the distance. and it's radial not horizontal. what could be causing this? (ar-10, 243win, 24" ss barrel, handloads [107gr smk, 42.7gr alliant reloader 19, winchester brass, cci 200 primers]) one could extrapolate that it would be eighteen and three quarter inches at four houndred yards... "it isn't though" it's only a little over 4" at 425 yards. so how can it be so "crappy" at 200 ?