Universal hunter buttstock shell holder: Cartridge holder with hook ring strap design and three adjustable buckle straps for secure, easy installation and unloading. Fits most fixed rifles. Tactical shell holder: Portable adjustable shotgun cheek riser ammo carrier with removable covers. Includes a 7round ammo carrier for .308 or .300 Win Mag. Versatile hunting accessory: Rifle cheek rest with hookandloop straps to provide a fit for both lefthanded and righthanded shooters. Rifle cheek pad rest: Removable inserted cheek rest pad sits on the to support your natural point of view. Use scenarios Field readiness: Attach the buttstock shell holder to keep extra rounds within reach for quick reloads while maintaining a stable cheek weld on a fixed rifle. Ambidextrous use: Adjustable hookandloop straps allow quick resizing to fit either lefthanded or righthanded shooters for comfortable aiming and steady followthrough. Cheek weld optimization: The removable cheek pad rest on helps align your natural line of sight across varying shooting positions and terrains.