The Weaver Mounts 48471 Top Mount Base Pairs are designed specifically for the Marlin 336, featuring a matte black finish. These bases are constructed from tough, lightweight aluminum, ensuring they withstand powerful recoil. The cross lock design offers a secure fit on your firearm, and they are compatible with all Weaver top mount cross lock rings.Key FeaturesMaterial: Constructed from lightweight aluminum for durability.Mount Type: Designed to mount directly to the receiver of the Marlin 336.Style: 2-piece base for enhanced stability.