User Name. Landing distance is the amount of runway required to land the aircraft at an average weight and air density and will vary greatly for each mission. A special model called the Mariner is available with the Marinecote finish, an electroless-nickel finish that is highly corrosion resistant. It is packaged with an introductory video covering use and safety, and some versions have a laser sight mounted in the foregrip. Aerospace Publications Pty Ltd. From Wikipedia, the free encyclopedia. To login with Google, please enable popups. Army's Mil-Spec E test, "a brutal and unforgiving torture test with 3, rounds of full power 12 gauge buckshot". Operating Costs. The Model A1 has an aluminum trigger guard and safety, a heavier barrel, and a bayonet lug although some versions of the also have bayonet lugs , intended for military use under extreme conditions and rough handling; the metal trigger guard was added in response to the G materials requirements, and the heavy barrel was added at the request of the Navy to prevent barrel deformation if the shotgun caught in the closing of heavy steel ship doors. Condition 1: magazine tube filled, round in chamber, action closed, and weapon on SAFE Condition2: not applicable Condition 3: magazine tube filled chamber empty, action closed, and weapon on SAFE Condition 4: magazine tube empty, chamber empty, act. Most smoothbore models come with interchangeable choke tubes and vent rib barrels, while the slug models come with rifle sights or scope bases, and may have smooth cylinder bore or rifled barrels. New York to Chicago nautical miles. Some models can be bought with the rail and accessories already installed. Retrieved 11 June
