Greener MKIII 14Ga "Police Gun." This is a top loading / ejecting shotgun. Used as a police riot gun. This firearm was also used back in the day to be converted into harpoon guns like they used in the movie JAWS. Fast shipping to your chosen FFL location for $30. Local purchase available at our FFL shop located in Fredericksburg, VA. Check out our other listings. Call us @ 540-785-7474 for inquires or questions.