Weaver Top Mount Aluminum Base 413 Black. It a very versatile mount and available for most firearms. The build is sold and durable and will start at the bottom of your Weaver base. Weaver bases are available in side and top mounts as well as one- and two-piece sets. They attach to your firearm easily and will not require modifications. In fact they come with screws that are custom made to hard fasten to the bottom of your Weaver base. Specifications for Weaver 413 Top Aluminum Base Rifle Rail Mount: Manufacturer: Weaver Color: Black Finish: Gloss Fabric/Material: Aluminum Quantity: 1 Hand: Ambidextrous Gun Make: Savage Gun Type: Rifle Additional Features: 1-Piece Base Condition: New Country of Origin: USA Features of Weaver Top Mount Aluminum Base 413 Lightweight Aluminum Construction Cross-Lock Design Package Contents: Weaver Top Mount Aluminum Base 413 We offer complete line of Weaver Rifle Scope Mounts Rings Bases. For our complete selection of products by Weaver on sale please visit our Weaver page. For more Rifle Scope Mounts Rings Bases please visit our Rifle Scope Mounts Rings Bases store section. Weaver 48425: Top Mount Aluminum Base 413