Weaver Mounts 48085 Top Mount Base 85 Black Browning 5252CABolt UPC: 076683480859

Each Weaver base is machined to the tightest tolerances for a custom fit. They are designed to fight the effects of recoil with a square-cut notch that precisely mates to the sturdy cross bolt in every Weaver detachable ring. br /br /Specifications:br /br /- Package Includes 1 Basebr /- Material: Aluminumbr /- Style: Weaverbr /- Finish: Gloss Blackbr /br /Fits: br /br /- Browning Models 52, 52C, A-Bolt (European Styles)(Front Rear)br /- Colt Sharps (Front Rear)br /- Parker-Hale 2600 (Front)br /- Ruger #1 and #3 (Rear)br /- Sako Models 72, 75, 78 (Front and Rear)br /- Winchester 520 (Front Rear)br /br /Notes: br /br /- Mounting Hardware Included.br /- For the Browning 52, 52C, and A-Bolt (European Style) the front base screws must be shortened by grinding.br /- For the Ruger #1 and #3 the gun will need to be drilled and tapped. Shimming is probably required for perfect scope alignment.