120-mm MO-120-RT-61 Mortar
French 120-mm (4.7-in) MO-120-RT-61 heavy rifled mortar.
WEAPON ROF DAM PEN BLK MAG SS/BRST RNG
Standard HE 6-10rpm C:9 B:22 -2c - - -/- 8km max
Non-standard 6-10rpm C:8 B:20 -4c - - -/- 13km max
ROUND See below
Made by the firm of Brandt, it is one of the larger mortars in use today. It is mounted on a specially designed carriage from
which it is fired. The French have at least three other 120-mm types which are smooth-bore variations, either mobile or
mounted upon the ubiquitous bipod.
When coming out of action the towing eye, seen alongside the left wheel, above, is attached to the
The range given above (8000 m) is for the standard HE bomb (Fig. 35E). A bomb of the same weight
incorporating a rocket initiated during flight achieves a range of 13000 m (14217 yards). The standard HE
bomb compares in effect with the standard (NATO) 105-mm artillery shell.
Figure 35E: Bomb.
Note the pre-engraved
Being rifled and firing a projectile with a pre-engraved driving band gives the mortar a slower rate of fire than the comparable
French 120-mm Mortar:
Length of barrel: 280 cm (110 inches)
Weight in action: 582 kg (1280 lbs)
Traverse (top): 14°
Range (standard projectile): 8000 m (8750 yards)
Bomb weight: 18.7 kg (41 lbs)
Number in detachment: 3
Rate of fire: 6-10 rpm
Type of fire: Automatic or controlled (ie the bomb can be fired either by dropping it down the barrel or by a simple mechanism built into the