The M60 trigger housing group consists of the trigger housing assembly (trigger housing, sear, sear plunger, sear plunger spring, trigger pin, and trigger), trigger housing pin, and the leaf spring. Press in on the front of the leaf spring and rotate the front end down to clear it from the trigger housing pin, as shown in figure 13-22. Pull forward to disengage the rear notch from the sear pin. Remove the trigger housing pin by pushing it to the left.

Slide the trigger housing group slightly forward, rotate the front of the housing down, and remove it, as shown in figure 13-23.

Figure 13-23.-Removing the trigger housing group.

Figure 13-24.-Removing the barrel group.

Removing the Barrel Group

The M60 barrel group consists of the barrel, flash suppressor, front sight biped assembly, and gas cylinder. Raise the barrel lock lever to the vertical position and remove the barrel group by pulling it to the front, as shown in figure 13-24.

Removing the Receiver Group

The M60 receiver group consists of the receiver, forearm assembly, rear sight, cover, feed tray, and

Figure 13-25.-Inserting the operating group in the receiver.

carrying handle. General disassembly is completed after removal of the other five groups from the receiver group.

Replacing the Barrel Group

Ensure the barrel-lock lever on the M60 is in the vertical position (fig. 13-24). Insert the rear of the barrel under the barrel cover and align the gas cylinder nut with its recess in the forearm assembly. Lower the barrel-lock lever.