The Mendoza RM2 was a light machine gun similar to the M1918 BAR manufactured in Mexico

Mexico

The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

 by Productos Mendoza, S.A.

Productos Mendoza

Productos Mendoza, S.A., is a manufacturer of both air guns and conventional firearms, based in Mexico. It was founded in 1911 by Rafael Mendoza Blanco. Initially, Productos Mendoza manufactured firearms for troops under General Francisco Villa during the Mexican Revolution...

 It was chambered in .30-06 Calibre and had a 20 round magazine fed from the top.

Rafael Mendoza have been producing machine guns for the Mexican Army

Mexican Army

The Mexican Army is the combined land and air branch and largest of the Mexican Military services; it also is known as the National Defense Army. It is famous for having been the first army to adopt and use an automatic rifle, , in 1899, and the first to issue automatic weapons as standard issue...

 since 1933 and all have been noted for their lightness and cheap construction without sacrificing reliability. They use a gas cylinder system that delivers a short impulse to the piston, and the bolt is similar to that of the Lewis Gun

Lewis Gun

The Lewis Gun is a World War I–era light machine gun of American design that was perfected and widely used by the British Empire. It was first used in combat in World War I, and continued in service with a number of armed forces through to the end of the Korean War...

, rotating and driven by two cams engaged with the piston rod. The RM2 is the most recent model and adds a simplified method of stripping, by simply removing a lock pin, the stock and rear of the receiver can be folded down to allow the bolt and piston to be withdrawn backwards.