M1 mortar

M1 mortar
G.I.'s of the 92nd Infantry Division fire an M1 mortar at Massa in Italy during World War II.
TypeInfantry mortar
Place of originUnited States
Service history
In service1935–1952[1]
Used byUnited States
Vietnam
Other users
WarsWorld War II
Korean War
Algerian War[2]
Vietnam War
Specifications
Masssee general data
Length3 ft 11 in (1.19 m)
Crew8 (squad leader, gunner, assistant gunner, 5 ammunition bearers)

Shellsee ammunition
Caliber81 mm (3.2 in)
Rate of fire18 rpm sustained
30-35 rpm maximum
Muzzle velocity700 ft/s (210 m/s)
Maximum firing range3,300 yd (3,000 m)
SightsM4

The M1 mortar is an American 81 millimeter caliber mortar. It was based on the French Brandt mortar. The M1 mortar was used from before World War II until the 1950s when it was replaced by the lighter and longer ranged M29 mortar.

  1. ^ "Mortar, 81mm M1 81mm Medium Infantry Mortar (1935)". Military Factory. MilitaryFactory.com. Retrieved 6 June 2021.
  2. ^ Huon, Jean (March 1992). "L'armement français en A.F.N." Gazette des Armes (in French). No. 220. pp. 12–16.