It was armed with the technically advanced but troublesome M81/M81 Modified/M81E1 152 mm gun/launcher, which fired both conventional ammunition and the MGM-51 Shillelagh guided anti-tank missile. The M551 Sheridan entered service with the United States Army in 1967.

2012年4月25日 · The 152mm gun-launchers differ in the following ways: M81 was fitted with a bore evacuator and the open breech scavenging system; M81 Modified was an M81 retrofitted with the CBSS; M81E1 had a shallower missile keyway to reduce firing stresses on the barrel, and the barrel was thickened near the muzzle.

2022年10月30日 · It was armed with the technically advanced but problematic 152mm gun/launcher, which fired both conventional ammunition and the MGM-51 Shillelagh guided anti-tank missile. The Sheridan saw extensive combat in the Vietnam War where problems with the tank became evident, particularly its poor survivability and reliability.

The main armament consists of an 152mm M81 gun/missile launcher capable of firing conventional ammunition and the MGM-51 Shillelagh antitank missile (20 conventional rounds and 8 missiles). Due to problems with the gun-tube-launched antitank missile, the Sheridan was not fielded widely throughout the Army.

The Ford MGM-51 Shillelagh was an American anti-tank guided missile designed to be launched from a conventional gun (cannon). It was originally intended to be the medium-range portion of a short, medium, and long-range system for armored fighting vehicles in the 1960s and '70s to defeat future armor without an excessively large gun.

The M81E1 Rifled cannon was a short barrel, able to fire either missiles or tailored ammunitions for fire support. Due to the unfavorable velocity ratio, only traditional HE rounds were fired, for infantry support, while the AP capability was entirely provided by …

The 152-mm gun-launcher, M81, installed in a pilot model of the M551 General Sheridan vehicle was used in the flareback study.

2011年7月7日 · The main armament consists of an 152mm M81 gun/missile launcher capable of firing conventional ammunition and the MGM-51 Shillelagh antitank missile (20 conventional rounds and 8 missiles).

2015年4月10日 · Ever since 1958, the Philco Ford company was developing a new weapon system, consisting of the 152mm M81 gun-launcher, capable of firing MGM151 Shillelagh missiles. The entire launcher was very light since the charge needed to launch the missile was quite small and therefore there was no need to make the entire mechanism too sturdy.

2021年5月3日 · Armament of the Sheridan centered around its potent M81E1 rifled 152mm main gun that could double as a launcher for the Ford-built MGM-51 Shillelagh anti-tank/anti-fortification missile. In fact, the main gun was originally designed with the primary role of it being a launcher first, with the cannon aspect of the system as a secondary use.