ve had to stock pile because some powders are tough to get here in Canada, such as Ramshot brand. There was a dealer from the prairies who did the importing paper work, The only one I knew of. . He would come out to BC for the big Kamloops gunshow,. He would sell out in the first hour of the first day. Big Game, Magnum and Tac were the far and away the best powders for a couple of calibers, and works great in the third. . So I tried to have a couple of pounds ahead. These are hunting rifles ,so my usage isn't that great. For practice loads IMR 4064 and IMR 4350 are easily available.
