Ammo: http://www.cabelas.com/product/Shooting/Ammunition/Rimfire-Ammu
375 rounds of .22LR ammo for $9.99
Buy 10 Boxes for $99.90 then use coupon code 50YEARS to make shipping 50
cents.
This makes it about 2.7 cents per round. Add on your favorite cashback
website for additional savings!