The Weaver Mounts 48435 Top Mount Base 418M in Matte Black is a 1-piece base designed to fit CVA and Traditions rifles. Made from aluminum, this base is machined to tight tolerances to ensure a custom fit. It features the Weaver cross-lock design, providing a secure attachment for scope rings.Key FeaturesMaterial: Constructed from robust aluminum for durability and strength.Mount Type: Designed to mount directly to the receiver of compatible rifles.Length: Measures 3.4500 inches for optimal fit.