barnes burner 6.5mm/.264 145 grain

I picked up 1000 of these to just have on hand. I paid a premium in case I run out of 140 Berger hybrids. I have no experience with them and they might be a bit heavy for my 260s. I’ll trade an unopened box of 500 for above bergers or some other 139-142 grain match bullets. Berger, SMK, LAPUA...