Slightly used  Burris Speed bead.Red Dot Reflex  combo base and Sight  Model 300241 For Benelli M2 Shotgun. Will also fit Benelli  Montefeltro,Black Eagle,and Benelli Ultra Light 12GA. Included is a picattinny rail base so it can also be mounted on any Pistol or rifle that has a picatinny rail.The unit runs on a common 2032 battery which lasts about 5 years.U.S.shipping  only.No shipping to Hawaii or Alaska.