The Weaver Multi Slot Base Win XPR SA is a 1-piece scope base constructed from tough, lightweight aluminum, designed to withstand powerful recoil. This base accepts all Weaver Top Mount Rings and accommodates the mounting of devices such as scopes, red dots, and laser optics while allowing for optimal eye relief.Key FeaturesMaterial: Constructed of tough, lightweight aluminum for durability.Mounting Compatibility: Accepts all Weaver Top Mount Rings for flexible setup.Style: Designed in a sleek black finish.