This fellow (Terry) has a good reputation.
I think he is located somewhere between Red Deer and Edmonton (he will certainly ship)
http://www.jetbullets.com/
http://www.jetbullets.com/hardcast-rifle-bullets-.html
38-55
1. 250 gr RNFP, plain base .379" ....$25/100; $46/200
2. 265 gr RNFP .379 (.381") gas check....$35/100; $66/200