Talley Scope Mounts Cooper Model 21/38/51/57-M 1 inch Low Black. The Talley Lightweight Alloy Scope Mounts for Borden/Cooper/Kimber are durable and dependent enough to mount the best optics on the planet. These Riflescope Rings by Talley eliminate the need for a base rail by mounting directly to the upper receiver. Another great benefit of these Talley Lightweight Alloy Scope Rings is that they're constructed as a one-piece design which makes mounting optics to your firearm incredibly simple. If you're unsure if these mounts will fit your optic and firearm just reach out to our customer service team and they'll be happy to assist you with any issues you may have. Grab your Talley Lightweight Tactical Scope Mounts for Borden/Cooper/Kimber today and mount your Rifle Scope with confidence. Specifications for Talley Lightweight Alloy Scope Mounts for Borden/Cooper/Kimber/Browning: Manufacturer: Talley Quantity: 1 Pair Fabric/Material: Lightweight Aircraft Aluminum Package Contents: Talley Lightweight Alloy Scope Mounts for Borden/Cooper/Kimber/Browning Talley 930749: Scope Mounts Cooper Model 21/38/51/57-M 1 inch Low Black