Looking for Hard Gun Cases? ADG Sports Single Rifle Case, Aluminum Frame w/ Latches - Realtree Camouflage 31 delivers great quality for a great price. All of the features you need for a price you want from ADG Sports. Don"t look further for Hard Gun Cases. ADG Sports Single Rifle Case, Aluminum Frame w/ Latches - Realtree Camouflage 31 has everything you"ve been looking for.