Redfield Mounts Browning A-Bolt Aluminum Base Pair Black Matte. Redfield Black Matte Aluminum Base Pairs feature tough lightweight aluminum construction to hold up to the most powerful recoil making it one of the most durable Rifle Scope Bases available. Featuring a cross lock design the Browning A-Bolt Base Pair by Redfield puts a tight secure fit on your firearm. This rifle scope base manufactured by Redfield Mounts accepts top mount cross lock rings from Redfield Weaver and Simmons. Specifications for Redfield Mounts Aluminum Base Pair Black Matte: Manufacturer: Redfield Mounts Color: Black Finish: Matte Fabric/Material: Aluminum Quantity: 2 Additional Features: Picatinny Rail/Weaver Style Condition: New Features of Redfield Mounts Browning Black Matte A-Bolt Aluminum: Designed to fit most popular firearms Utilizes legendary Weaver cross lock system Aircraft-grade aluminum for rugged lightweight performance Accepts all Weaver-style cross lock rings Package Contents: Redfield Mounts Aluminum Base Pair Black Matte Redfield Mounts Browning A-Bolt Aluminum Base Pair Black Matte 47517