Rod, both the 14in barrels chronyed 2200 to 2225 at 25 yards, depending on the barrel. JBM ballistics suggests MV is 2250 to 2275.

My next step I to see how the 139 SST bullets do.

This has just been my pet load. I really haven't experimented with other loads. What I can say is that the TC book has pet loads listed as does the Lyman book. FWIW.