Developed specifically for magnum caliber firearms, the Magnum Shooting Vise gives you what you need to clean and maintain your gun to the exacting standards you demand. Store all of your cleaning supplies and tools right in the compartments and be certain you're not putting your faith in a dirty gun. Also suitable for sighting-in. -Clamps securely to most firearms. -Adjustable rear leg for precision shots. -High-tech polymer construction for ultimate durability. -Lightweight and portable. -Built-in cleaning supply and tool compartments. -Lead shot can be added for extra stability.