New in the Pathfinder Series: The gun adapter is second in the Pathfinder Series that is collaboration with Dave Canterbury of Discovery channels " Dual Survivor" Show to create. Running eight inches in length and rifling makes it our most accurate adapter to date. Great for throwing in a backpack, bug out bag, or just plinking around. Turn's your 12 gauge shotgun into a .22LR . This item is made in Miles City, Montana by Short Lane.