M29 Mortar
Encyclopedia
The M29 is a United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 produced 81 millimeter calibre mortar
Mortar (weapon)
A mortar is an indirect fire weapon that fires explosive projectiles known as bombs at low velocities, short ranges, and high-arcing ballistic trajectories. It is typically muzzle-loading and has a barrel length less than 15 times its caliber....

. It began replacing the M1 Mortar
M1 Mortar
The M1 is a United States 81 millimeter caliber mortar. It was used during World War II well into the 1950s when it was replaced by the lighter and longer ranged M29 Mortar...

 in U.S. service in 1952 being lighter and with greater range. It was replaced by the M252 Mortar
M252 Mortar
The M252 81 mm medium weight mortar is an American smooth bore, muzzle-loading, high-angle-of-fire weapon used for long-range indirect fire support to light infantry, air assault, and airborne units across the entire front of a battalion zone of influence. In the U.S. Army and U.S...

in 1984. Variants included the M29E1 and M29A1, adopted in 1964, with hard chrome-plated bore to prolong barrel life and make cleaning easier.

The maximum rate of fire is 30 rounds for the first minute followed by 4 to 12 rounds per additional minute. The range is 5,140 yards. Usually serviced by a crew of five.
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