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Arbor seating die clearance magnum caliber

Hegre

Sergeant of the Hide
Full Member
Minuteman
Jan 6, 2020
239
180
I am about to buy an arbor press and will be loading 300norma mag shortly, but mostly 6br and 6.5x55.
How high a clearance do I need to use the same press for magnum calibers?
Looking at 21st century and K&M presses