Originally Posted by TonyRumore
The case was made too short. It should have been extended to 6.8 SPC length. 85gr Partitions at 3100fps, 90gr Accubonds at 3025fps from an 18" AR-15.

Left to right - 6PPC, 6mm Too Short ARC, 6mm Correct Length ARC, 6.5 Grendel, 6.8 SPC.

Tony

[Linked Image from i.imgur.com]
I agree with this for medium weight (90 and 95 grain) bullets, which is what I use. It would be perfect. Just a shame making that case out of .220 Swift brass is a PITA.