.348 Win reduced loads using SR4759?


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Bwana John
February 14, 2011, 03:43 PM
Hi,
Id like to make up some reduced loads for a buddy's .348 Winchester.
Does anybody have any data for that caliber and powder?
I found data for SR 4759 with 35 Whelen and 35 Rem Mag, both are very similar in caliber and powder capacity, but very different is case shape.

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Walkalong
February 14, 2011, 03:49 PM
When I get home I can check my older Speer manual and see if it has .348 Win.

Taroman
February 14, 2011, 05:49 PM
A couple months ago, Handloader mag. had an article on using Trail Boss for these reduced loads.

Basically, the process is to calculate the under-bullet volume of the case and start with 70-75% of that volume in TB.

Big caution is to never compress Trail Boss.

SpeedyR
February 15, 2011, 08:01 PM
Trail boss would be the way to go with reduced loads in most rifles.

I have a 348 but haven't run any lower loads in it but I use TB in lots of handgun calibers (32-20, 38/357, 45LC/Schof, and 44 mag). pretty much as posted above, stay away from compression of the powder and you're good to go. check the OAL of a seated bullet/brass combo and compare it to the OAL of the bullet and work from that.

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