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Load Data for a .30 Smith Wildcat Magnum

Does anyone have access to Load data for a .30 Smith Wildcat Magnum?
This is a design of Ed Smith from Wenatchee, Washington.
It is a .338 Win. Mag. necked down to 30 caliber. My Father had it made for him in the
late 70's or early 80's, but now we only have the load data for 180 gn. bullets.
If anyone has this data we would really appreciate the info.
 
Starting data for 308 Norma Mag should be a good place to start.

For a reference using your 180 gr data to see if it jives:

With the 308 Norma, Nosler #9 shows 64 start to 68gr max IMR 4350, 65 to 69gr RL19, 67 to 71gr IMR4831 with 180gr.

Sierra #6 has full data for 30-338. It's been reprinted thru a few volumes & the powder choices reflect that, but it's a place to start.
 

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