What can I expect for accuracy. If you guys know
Correct. Altough they can not keep up with production so they were replaced with just about but not quite equal FN barrels.I seem to recall the first ADCOR uppers ie before the "elite" ones came out were using Green Mountain barrels. I could be wrong but the White pages testing was with Green Mountain barrels. No failures after 6000 rounds with that upper. Also 3 round group at .88 moa.



























