M120 / M121

M120 / M121 (Mortar System)

Caliber: 120 mm

Maximum range: 7,240 m

Minimum range: 200 m

Weight:

144.7 kg without ammunition

326.1 kg when mounted on trailer

Rate of fire: 16 rounds/min first minute, 4 rounds/min sustained

Crew: 5

Feed system: manual

The M120 mortar system consists of the following major components:

M298 cannon assembly (50 kg)

M190 bipod assembly (32 kg)

M9 baseplate (62 kg)

M1100 trailer (181 kg)

M67 sight unit (1.1 kg)

The M120 is capable of firing the following munitions:

XM395 precision guided munition

M929 smoke cartridge

XM930 illumination round

XM930E1 illumination round

XM931 practice round

M933 high explosive round

M934 high explosive round

M934A1 high explosive round

XM983 illumination round

The M120 is transported on the M1100 Trailer by the M998 Humvee

The version that is mounted on the M1064 and M1129 mortar carriers is known as the M121