Designed for air transport during WWII, the M3 105mm towed light howitzer was used by the 320th Glider Field Artillery Battalion. It was originally designed in 1941 and started production in 1943.

Barrel length measures in at 16 caliber (1.68 meters) and the breech operates out of a horizontal sliding system with recoild handled hydropneumatically. The tow carriage system is an M3A1 split-trail type and can be towed by a variety of vehicles.

Elevation for the gun system is at +30 degrees and the unit can traverse plus/minus 22 degrees. Muzzle velocity is reported at 310 meters per second.

The M3 105mm towed howitzer can fire a variety of munitions with the standard being the HE (High Explosive) type.