Tinkering with loads for the 'new' 30-30 I got.
Have some 311291 HP's.
I have some from fatnhappy's HP mold, and some from an NOE HP mold.
the one I shot into the jugs was NOE's HP, they were 96/2/2 alloy air cooled.
the HP goes down to where the driving band meets the ogive on the bullet nose. If I measured correctly.
170gr wt
sr4759
17gr
approx 1700 fps per Lyman cast bullet reloading guide
shot into water jugs
Found it in the 5th jug.
wt 70gr.
may have to work on it some.