Chose your fly assortment by the river you wish to fish. Montana Hunting & Fishing Adventures has put together these fly assortments for the rivers we fish. These fly fishing assortments are made up of the most productive patterns we have found for these rivers. Each fly assortment consists of 24 flys total 1 dozen of our favorite dry flies  and 1 dozen of our favorite nymphs all packaged in a convenient fly box.