338 RUM w/Retumbo max load

sanjuanfly

Well-Known Member
Joined
Feb 18, 2011
Messages
46
So I'm trying to load some 250 ABs with Retumbo. Nosler doesn't list Retumbo in their manual. I found Hodgdon's loading data and Barne's data as well.

Hodgdon with a 250 grain Hornady lists a starting load @ 95 grains of Retumbo with a Max load at 101 grains.

Barnes for a 250 gr TSX FB have a starting load of 83.5 grains and a max load of 91.0 grains.

These two recommendations seem to be very far apart. I have found some other people sharing their loads with a 250 gr Partition with loads in the upper 90's (97-99).

Is it common to have variations in load recommendations this large? What suggestions to you follow when you run into this?

Thanks,
Scott
 
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