 the m67 recoilless rifle was a 90-mm antitank recoilless rifle made in the united states and later in the republic of korea.jane's infantry weapons 1984â85, p. 740 it could also be employed in an antipersonnel role with the use of the m590 antipersonnel round. it was designed to be fired primarily from the ground using the bipod and monopod, but it could also be fired from the shoulder using the folded bipod as a shoulder rest and the monopod as a front grip. the weapon was air-cooled and breech-loaded, and fired fixed ammunition. it is a direct fire weapon employing stadia lines to allow simple range finding, based on a typical tank target bridging the lines once in range. ==history and use== introduced in the early 1960s in army and marine corps service, the m67 was used in the vietnam war together with the much larger 106mm m40.green, michael, and stewart, greg, weapons of the modern marines, (2004), st. paul: mbi publishing co., p. 51 the m67 proved a reliable and effective weapon, though it was primarily used against personnel and fortifications in combat, and saw little or no use against armor. while troops praised its effectiveness, the m67 came in for heavy criticism due to the weapon's weight and length as well as its backblast, which often precluded its use in offensive operations. because of these disadvantages, some marine corps units continued to use the old m20 rocket launcher (super bazooka) in preference to the m67. it was largely replaced in army service by the tow missile system in 1970 and the m47 dragon anti-tank missile system in 1975. the m67 was not completely withdrawn from infantry service. instead, it was retained as a substitute standard antitank weapon for spec
Anti-tank_weapons Cold_War_weapons_of_the_United_States Recoilless_rifles