The Athlon Optics AR Tactical Cantilever Mount is a high-quality, precision-machined mount designed for use with AR-15 and AR-10 rifles. The mount is made from high-strength aluminum alloy and features a four-screw ring cap design paired with a two-nut base and recoil lug cross-bolt. This provides superior strength and rigidity, while the scalloped profile increases surface area in the rings flex points, reducing stress and vibration. The mount is available in medium height and is compatible with a variety of scope mounts.The Athlon Optics AR Tactical Cantilever Mount is a great choice for shooters who demand the highest level of performance and accuracy. It is well-made, durable, and designed to hold your scope securely in place, even under the most demanding conditions. Overall, the Athlon Optics AR Tactical Cantilever Mount is a great choice for shooters who demand the highest level of performance and accuracy. It is well-made, durable, and designed to hold your scope securely in place, even under the most demanding conditions. Here are some additional details about the Athlon Optics AR Tactical Cantilever Mount: The mount is made from high-strength aluminum alloy, which makes it very strong and durable. The four-screw ring cap design provides a more secure attachment to the scope mount than a two-screw design. The two-nut base and recoil lug cross-bolt provide even more strength and rigidity, making it less likely that the mount will come loose under recoil. The scalloped profile increases the surface area in the mount&';s flex points, reducing stress and vibration. The medium height is the most common height for mounts, and it will work with most scope mounts. The mount is compatible with a variety of scope mounts, making it easy to find a mount that is compatible with your rifle and scope. If you are looking for a high-quality, precision-machined mount for your AR-15 or AR-10 rifle, then the Athlon Optics AR Tactical Cantilever Mount is a great option. It is well-made, durable, and designed to hold your scope securely in place, even under the most demanding conditions.