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Denel M4 Commando

Lightweight Infantry Field Mortar

Denel M4 Commando

Lightweight Infantry Field Mortar


The South African M4 Commando was designed as a lightweight mortar weapon useful to such units as paratroopers.
National Flag Graphic
ORIGIN: South Africa
YEAR: 1975
MANUFACTURER(S): Denel Land Systems - South Africa
OPERATORS: Colombia; South Africa

Common measurements, and their respective conversions, are shown when possible. Calibers listed may be model/chambering dependent.
ACTION: Manually-Operated
CALIBER(S): 60mm
LENGTH (OVERALL): 650 millimeters (25.59 inches)
LENGTH (BARREL): 650 millimeters (25.59 inches)
WEIGHT (UNLOADED): 15.87 pounds (7.20 kilograms)
SIGHTS: Integrated Optics
MUZZLE VELOCITY: 560 feet-per-second (171 meters-per-second)
RANGE (EFFECTIVE): 5,000 feet (1,524 meters; 1,667 yards)

Series Model Variants
• M4 Commando - Base Series Name


Detailing the development and operational history of the Denel M4 Commando Lightweight Infantry Field Mortar.  Entry last updated on 2/22/2017. Authored by Staff Writer. Content ©
Modern infantry-level mortars come in several major standardized caliber forms - 60mm, 81mm, and 120mm. While all are functionally similar in offering indirect fire support, each plays a slightly different role on the battlefield. Lightweight types, such as the 60mm, are designed to be highly-portable, quick to deploy, and easy to operate and such weapons can outfit specialist troops like paratroopers. For the South African Army, this role is fulfilled by the M4 "Commando", a 60mm system built upon the stated attributes, providing squads with indirect firepower at short ranges against stubborn enemy forces. Due to its handy operation, it serves both airborne troopers and special forces operators.

The Commando series is manufactured by Denel Land Systems of South Africa.

The M4 can fire various "flavors" of projectiles such as High-Explosive (HE), illumination, smoke, and practice rounds out to ranges of 2,100 meters. A breech-based trigger operated by a lanyard replaces the traditional firing pin action common to most mortars and this allows the trooper to carry the weapon loaded and ready-to-fire. The Commando also lacks a bipod assembly and is set on the ground by its baseplate and leveled by hand. A sighting device and range table help the operator figure range to the target and the flight path of the exiting projectile. The launch tube measures 650mm long and muzzle velocity of the outgoing shell is 171 meters per second. Minimum engagement range is 100 meters.

A standard operating crew numbers two.

Beyond the South Africa Army, the army of Colombia is a known operator of the Commando. The M6 fulfills the more traditional 60mm mortar role and the M3 is the 81mm version for the South African Army while the M5 is the 120mm model.