i buy quite a bit of bulk ammo. mostly .45 acp, 308,22and .223's. i have found that sportsmansguide is the cheapest place to order from. even with their shipping cost. some places give you free shipping on orders over a $100.00 but the ammo is already marked up to cover shipping. cheaper than dirt does have somegood prices at times on some of the clearance items. but they can't beat sportsmansguide. after you spend a few bucks at the guide they will start sending you discount coupons.