BBL-300 US Optics Rail Mounted Aluminum Swivel Bubble Level For Picatinny Rails

BBL-300 US Optics Rail Mounted Aluminum Swivel Bubble Level For Picatinny Rails The U.S. Optics Swivel Anti-Cant Device (ACD) is a swivel bubble level manufactured from 6061-T6 Aluminum and then Type III hard-anodized for durability. The swivel ACD comes with a screw-on vial cover to protect the level during storage, but during shooting, the cap can be screwed onto the opposite end’s cap saver for safe storage. Mounts to all 1913 picatinny rails. Additional information Weight 1 kg Dimensions 3 × 3 × 3 cm Weight 1 lbs Dimensions 7 x 5 x 5 in Height 0.649 Length 3.231