Clark I run a 80 bt @3650 in the 6 ai, it don't bounce off.... grin
I have a 6mmRem reamer, a 243 reamer, and 6mmBR reamer.
The 6mmBR Lapua brass is so perfect, the groups from the 6mmBR rifles always win over my 243 and 6mmRem rifles. That's my excuse so far, but I will keep trying.