I have two, both cut with same reamer, 6.5-284 Lapua brass:
27" PacNor 1-8, 117 DTACs are precision in this one
30" Shilen 1-10, 87-90 gr Bergers
Brass life is very good, other than a few that get a little beat up during ladder testing....
Size with single pass in Redding sizer...