These versatile bases from Weaver help give your gun a versatile edge. Weaver Multi-Slot Bases are constructed of tough, lightweight Aluminum so they can withstand the most powerful recoil. They accept all Weaver Top Mount Rings and accommodate the mounting of devices such as scopes, red dots and laser optics, while allowing for optimal eye relief. Weaver"s extensive line of bases provides a precision fit to custom match your Weaver rings of choice. Whether you need a base to accommodate your modern sporting rifle, a competition pistol, inline muzzleloader or your favorite bolt-action hunting rifle; every one of our mounts delivers a solid start.