Internal-frame packs have dominated the backpacking market for decades. But when it comes to packing out game, there is still a case to be made for external-frame packs. In addition to serving as a standard backpack, an external-frame pack can be stripped of its bag and used exclusively as a pack frame. As long as it has a load shelf and tie-out points, an external-frame pack can effectively haul anything you can carry. Here are a few other reasons you should own one.