MDT ACC Elite Control Bridge Black. It's designed to bolt on to the top of the forend to act as a mirage mitigation device and a barrel cover when reaching up and over your forend for added recoil control. Specifications for MDT ACC Elite Control Bridge: Manufacturer: MDT Finish: Cerekote Fabric/Material: 6061-T6 Aluminum Features of MDT ACC Elite Control Bridge Anti-SlipTexture Stackable Large Diameter Barrel Clearance Package Contents: MDT ACC Elite Control Bridge MDT 107250-BLK: ACC Elite Control Bridge Black