Recob's has magnum shot at $41.99 per bag with two bag shipping of $13.90. That's right at $49 a bag but, if you really need it, it's there.
If you're in the SoCAl area, Philips Wholesale has the Peruvian stuff for $38 a bag but he is walk-in only, no shipping.
Bruce
http://www.recobstargetshop.com/index.htm