Talley’s Medium 34mm Scope Rings for the Kimber 8400 utilize a unique 1 piece construction. These rings have no joint between the scope and the rifle, and the unitized design means loose connections and out of alignment interfaces won’t be a problem. In addition, the 7000 series alloy provides greater durability than standard steel rings while weighing considerably less. Talley 34mm Kimber 8400 Med Alloy Lt. Wt. Ring Base Combo 840840