Leupold mounts are every bit as rugged and dependable as the Leupold optics they're intended to secure. With a huge variety of mounting systems, for nearly every type of firearm under the sun, you're sure to find the perfect match for you firearm, and your style of shooting. This Leupold Integral Mounting Systems (IMS) is designed for use on bolt action rifles. Each aluminum IMS mounts directly to the firearm's Mil-Spec 1913/Picatinny to raise the scope to a comfortable height. The Mark 6 Mount comes with integral rings and is designed specifically for the Leupold Mark 6 Tactical Rifle Scope. All Leupold IMS products are tested to endure the rigors of the field and are covered by the Leupold Full Lifetime Guarantee.