105-mm M27 recoilless rifle

The M27 105-mm recoilless rifle was used primarily in the anti-tank role and was fitted to either the M75 or M75A1 mount. The rifle consisted of a tube, firing cable, chamber, and breechblock lever assembly. The mount included the equilibrators, elevation assembly, traveling lock, and top and bottom carriage assembly.

With an adapter, the mount could be fitted on several vehicles, such as a jeep or cargo carrier. The difference between the two types of mounts was the adapter --...