got a chance to test Criterion barrel in 6BR at 500 yards using 95 gr VLD, I shot from bipod after sunset, anyway group measured 2.132", that's 5 shot group, yeah I know my target is not all that professional ;D and who shoots 6BR from bipod, I guess its just me ;)
[img width=385 height=450]http://img14.imageshack.us/img14/5989/6brtarget1.jpg[/img]