Made in America, Talley Manufacturing's RMR Mounts are machined entirely from high grade 6000 series alloy and protected with a hard-coat anodizing to 65 Rockwell ensuring the craftsmanship of these Direct RMR Mounts last the lifetime of your firearm. The Winchester Model 70 RMR Mount is designed and manufactured with precision to fit your Model 70 with the industry's tightest manufacturing tolerances. These RMR Direct mounts provide a mounting platform for RMR foot print Red Dot optics eliminating the need for a picatinny rail or other adapters for your specified firearm. Whether you are looking for to upgrade your favorite Big Game gun or just a range gun, this RMR Mount offers a light weight minimized mounting solution for RMR Foot print optics. American Made, Lightweight 6000 series Aluminum Alloy Fully CNC Machined Includes mounting screws and wrench. Designed to fit Winchester Model 70 actions Uses two most forward mounting holes of the Winchester Model 70 Action (All Calibers). Minimized size to accommodate RMR Foot print optics. Includes Mounting Screws Length: 1.78" Width: 1.1" Mounting screw hole spacing: .860"