Howitzer, 8-inch U. S.-built, self-propelled heavy artillery M-110 piece; 37 feet long tracked carriage is identical to that of 175mm gun. M-110 has a maximum range of 16,930 meters and a rate of fire of 1/2 round per minute.
HQMC Headquarters, United States Marine Corps
LAPES Low Altitude Proximity Extraction System
MACV Military Assistance Command, Vietnam
Machine Gun, U. S.-built, belt-fed, recoil-operated, .50 Caliber air-cooled automatic weapon, which weighs approximately 80 pounds without mount or ammunition; it has a sustained rate of fire of 100 rounds per minute and an effective range of 1,450 meters.
Machine Gun, M-60 U. S.-built, belt-fed, gas-operated, air-cooled, 7.62mm automatic weapon, which weighs approximately 23 pounds without mount or ammunition; it has a sustained rate of fire of 100 rounds per minute and an effective range of 1,100 meters.
____ Marines Designation of Marine regiment
Mortar, 60mm U. S.-built, smooth-bore, muzzle-loaded, single-shot, high-angle of fire weapon, which weighs 45.2 pounds when assembled and fires an assortment of high explosive and pyrotechnic rounds; it has a maximum rate of fire of 30 rounds per minute and sustained rate of fire of 18 rounds per minute; the effective range is 2,000 meters.
Mortar, 81mm U. S.-built, smooth-bore, muzzle-loaded, single-shot, high angle of fire weapon, which weighs approximately 115 pounds when assembled and fires an assortment of high explosive and pyrotechnic rounds; it has a sustained rate of fire of 2 rounds per minute and an effective range of 2,200-3,650 meters, depending upon the ammunition used.
Mortar, 82mm Soviet-built, smooth-bore, muzzle-loaded, single-shot, high-angle of fire weapon which weighs approximately 123 pounds when assembled and fires high explosive and pyrotechnic rounds; it has a maximum rate of fire of 25 rounds per minute and a maximum range of 3,040 meters.
Mortar, 120mm Soviet- or Chinese Communist-built, smooth-bore, drop or trigger fired, single-shot, high-angle of fire weapon, which weighs approximately 606 pounds when assembled and fires high explosive and pyrotechnic rounds; it has a maximum rate of fire of 15 rounds per minute and a maximum range of 5,700 meters.