The unique SpeedBead Mount makes it easy to add a FastFire red dot sight to your shotgun. It�s ideal for clays and for hunting waterfowl upland birds and turkeys. - Compatible with many popular shotguns - All SpeedBead Mounts are compatible with all FastFire red dot sight models - Mounts the optic between the stock and receiver with 2 screws - Low mounting system means your line of sight falls just above the vented rib - Allows for accurate and instinctive aiming - Backed by the unconditional Burris Forever Warranty - FastFire optics sold separately except as noted in SpeedBead Systems