We have the reamer for 6.5 rem mag, going to built on 700 LA, 28" #5 rock creek.
My dads project, hope in the next few months.
I have got the 6.5 wsm going now.
140 berger target moly 68.0 h-1000 fed gm 215m winchester 270 wsm sized down and necks turned. shoots .4 at 3180 at 40 deg should be right about 3200 in summer temps.
shot all powders but rl 17 - 19
140s with superformance you can get 3200
h-1000 just seemed to be right fill ratio and shoots so well.
will never build a nother one. 6.5 saum will got 3200 with 61.0 7828 and shoots in the .00s