Probably a long shot but before I go buy a new set. But anyone got a set of FL Redding or FL Hornady dies laying around in 338 Federal.
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I bought some on clearance at Wilson Combat, you might look there when shopping.
I have two .338 federal rifles. Shout when you get set up I'll dig up some info. Or start a new thread but wow sometimes you get overwhelmed... I love the cartridge!