I have a 6mm Creedmoor and shoot at 1000yds with guys using 6.5x47L, 6.5 Creedmoor, 6.5x284, 260 Rem, 7WSM, 284, etc. They all have had varying amounts of success based on who is having a good day. I've seen them all break 290 points at one time or another except for my 6mm CM (came sooooo...