This formed an improvised mortar capable of firing the incendiary device accurately out to a range of 100 meters. See also Automatic shotgun List of combat shotguns List of individual weapons of the U.S. Armed Forces List of shotguns Lupara Riot shotgun Semi-automatic shotgun References Further reading The World's Fighting Shotguns. Volume IV. Hardcover – 1 Jan. 1978 by Thomas F. Swearengen. Chesa Limited / T. B. N. Enterprises; First Edition (1 Jan. 1978) Streetsweepers: The Complete Book of Combat Shotguns Paperback – 31 Dec. 1987 by Duncan Long. Paladin Press, U.S. (31 Dec. 1987) "Give Us More Shotguns!" by Bruce N. Canfield, American Rifleman, May 2004 Bruce N. Canfield, A Collector's Guide to United States Combat Shotguns, Andrew Mowbray, 1992, . Fawcett, Bill. Hunters & Shooters, An Oral History of the U.S. Navy SEALS in Vietnam. New York: Avon Books, 1995. , pp. 79–80, especially. External links The Magnificent Mossberg, Guns & Ammo Magazine, April, 2007 The evolution of the army combat shotgun Military Police article by Bo Barbour US Army combat shotgun training video History of the Combat Shotgun in U.S Army Shotguns Paramilitary weapons