Choate Tool Bipod Adapter Black. Used to mount a Harris bipod or sling. Comes with a wing bolt. If you need little more help holding your Bipod in place. This adapter has the quick take down thumb screw. Specifications for Choate Tool Bipod Adapter: Manufacturer: Choate Tool Finish: Black Country of Origin: USA Features of Choate Tool Bipod Adapter Bipod Adapter Package Contents: Choate Tool Bipod Adapter Choate Tool CMT-22-05-02: Bipod Adapter Black