Dennis, you can send a case to Hornaday and the will make one for ya. lots quicker than a year.
Big Boar sports in Blackfoot Id has imr4831 and H4831sc. a bit less H4831 now
the gunshop next to Maverick in Montpelier Id has H1000, and Fed primers
210m's for me yeah
Calebelas in Sidney has H 4831sc and some win primers and a few other powders.
can you tell I worked my way across