Easily, quickly mount holders to the strut or frame on a golf car-style or utility shooting vehicle, to an ATV rack, to the frame of the Rugged Gear Shooting Cart -- nearly any round or square bar! Infinitely-adjustable ball-&-socket design allows Gun Holder to rotate to best position and lock into place. Models with Floor base hold gun stock-down or barrel down (shotgun only) and is self-draining for outdoor use.