Apply the ease, speed, and accuracy of a red dot sighting system to your favorite shotgun with this unique mounting system. The SpeedBead? mounts a FastFire? optic between the stock and receiver of many popular shotguns. Your line of sight will fall naturally just above the vented rib, allowing for accurate and instinctive aiming. At 1x magnification, it?s designed for both-eyes-open shooting. That?s ideal for shooting clays and hunting waterfowl, upland birds, and turkeys.