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6.5 mashburn Super Mag?

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https://forums.accuratereloading.com/eve/forums/a/tpc/f/6711043/m/26610618

23 December 2001, 05:06
Dr. Lou
6.5 mashburn Super Mag?
Does anyone know what case this round is based on? And how does it compare to the .264?
23 December 2001, 05:42
Yukoner
It is based on a 300 H&H case blown out. It is pretty much a 300 Win mag necked down to .284 or .264.

Daryl

23 December 2001, 05:49
RR
Lou
I'm in the process of building one 6.5/300Win Mag . My barrel maker says it will do everything the 264 was supposed to do.I have my barrel and action back but have a lot of polishing on the old P14 action to do yet.


Rich