Aircraft / Aviation Vehicles & Artillery Infantry Arms Warships & Submarines Military Pay Chart (2023) Military Ranks
Infantry Small Arms / The Warfighter

Mortar, 60mm M2

Light Infantry Mortar [ 1940 ]

God bless the French - the French-inspired 60mm M2 served the American soldier from World War 2 to the Vietnam War.

Authored By: Dan Alex | Last Edited: 08/15/2021 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.

The M2 60mm light mortar served US Army and Marine forces in World War 2 and through the Korean and the Vietnam wars, becoming the standard light company mortar beginning in 1940. The weapon was a license-production copy of the 60mm mortar system designed by talented French weapons engineer Edgar William Brandt (1880-1960) and developed for American use by the US Army Ordnance Department. The 60mm model had its roots in the 81mm M1 Mortar, itself having origins in another of Brandt's designs. The decision behind the development of the M2 60mm Mortar was to bring some portable fire support to American infantry forces in the field - something akin to the portability of a hand grenade with the firepower of an 81mm mortar.

Beginning in the 1920's, the US Army looked at procuring a light-class mortar system to fulfill such a need. Several mortar designs were entertained but the 60mm creation by Edgar Brandt was selected and license-production of the French system within the United States was granted. US Army evaluations soon followed, encompassing much of the 1930s, with the first eventual production order for some 1,500 examples put into motion sometime in January of 1940. The official designation of the American version became "Mortar, 60mm M2".

The M2 was made up of three major components consisting of the firing tube, baseplate and bipod. The firing tube was of a smoothbore design and made of metal, weighing in at 12.8lbs. The tube sat atop the metal rectangular M5 baseplate of another 12.8lbs. A 16.4lb bipod fitted to the upper half of the tube allowed the weapon to sit at an angle. The weight of the M2 system was listed at 42lbs and the barrel measured in at 28.6 inches in length. The mortar system was fully positional along its firing axis via mechanisms fitted at the bipod hinge, allowing for great accuracy at distance. In fact, the M2 was able to outdistance many of the light mortars of her day, explaining the popularity of the weapon from then on. Her elevation limitations were reported at +40 to +85 degrees with a 7-degree traverse. The operator managed an M4 collimator sight for trajectory adjustments (the same sight as found on the M1 81m Mortar system). The base cap sat within the tube and contained the firing pin. As a muzzle-loading weapon, the operator need only drop the mortar projectile down the mouth of the tube and protect himself from the subsequent launch blast. This method of operation allowed the mortar crew to supply a steady rate of accurate firepower in support of infantry operations before them. A trained crew could effectively fire off 18 rounds in a minute and reach ranges from 100 yards out to 2,000 yards with each projectile maintaining a possible 17-to 35-foot blast radius. A maximum rate-of-fire by a trained crew could reach 30 to 35 rounds-per-minute while extreme circumstances state a rate per minute of 100 rounds!

The 60mm 2.94lb mortar projectiles themselves were stout in shape, tapered at both ends, and stabilized in flight via multiple static fins. Muzzle velocity was approximately 518 feet per second. Available ammunition types included the primary M49A2 High Explosive (HE) round, the M302 white phosphorous smoke round and the 3.5lb M83 illuminating projectile round (25 second burn time). The M302 appeared somewhat late in World War 2 and could be used for both screening friendly movements or engaging enemy personnel as a deadly incendiary round. Practice rounds were made available for target training.

In practice, the M2 proved highly reliable and accurate as an indirect fire support weapon. The mortar system could be fielded at a moment's notice and directed for high-angled fire in both an offensive and a defensive role. With this capability, the M2 proved priceless in engaging enemies dug into trenches, ravines or along slopes. World War 2 alone accounted for the production of some 60,000 M2 systems. Production was handled by the Firestone Tire and Rubber Company as well as the Read Machinery Company and Kennedy-Van Saun Corporation.

The M2 did maintain its own level of limitations during her use. Perhaps most detrimental was the overall weight of the system as well as the weight of her ammunition. Though portable, the combined weight of the M2's bipod, firing tube and baseplate ultimately added up and the battlefield lethality of the mortar team was only as durable as its ammunition supply. Additionally, any mortar system suffered when engaging an enemy hiding under the protection of thick forest or jungle canopies where projectiles might find it hard to penetrate. Other than these points however, mortar teams proved invaluable to the base rifle company during the war. 60mm mortars served US military personnel in both the European and Pacific theaters - in the latter, they proved most effective against the dug-in and sometime suicidal Japanese troops.

A typical Marine mortar section in World War 2 was part of the Weapons Platoon, Rifle Company with its section leader being a Sergeant in rank. Three mortar squads were a part of this section with these being commanded by a Corporal. A total of 16 Marines made up the mortar section. The Weapons Platoon was deleted in May of 1944, relocating the mortar section under the control of company headquarters while operating in combat under the orders of the rifle company commander. Twenty Marines now made up the new 60mm Mortar Section.

French forces in Algeria and Indochina as well as South Vietnamese forces in Vietnam also utilized the M2.

Edgar Brandt's 60mm, 81mm and 120mm mortar systems went on to become something of a standard for the rest of the military world after World War 2, his designs copied to the extreme. His expertise also helped in the development of HEAT-based rifle grenades and HEAT warheads in general. He was credited with the invention of the discarding-sabot artillery shell. While his original business began in 1902 as the "etablissements Brandt", this has since evolved today to become the TDA Armements SAS under the Thales Group corporate banner.

The 60mm mortar, owing to its portability, came to be known as the a commander's "hip pocket artillery".©MilitaryFactory.com
Note: The above text is EXCLUSIVE to the site www.MilitaryFactory.com. It is the product of many hours of research and work made possible with the help of contributors, veterans, insiders, and topic specialists. If you happen upon this text anywhere else on the internet or in print, please let us know at MilitaryFactory AT gmail DOT com so that we may take appropriate action against the offender / offending site and continue to protect this original work.


Service Year

United States national flag graphic
United States


Light Infantry Mortar

Firestone Tire and Rubber Company; Kennedy Van-Saun Corporation; Read Machinery Company - USA
(View other Arms-Related Manufacturers)
National flag of France National flag of the United States National flag of Vietnam France; South Vietnam; United States
(OPERATORS list includes past, present, and future operators when applicable)
Fire Support
Capable of suppressing enemy elements at range through direct or in-direct fire.

Barrel Length
726 mm
28.58 in
Empty Wgt
42.00 lb
19.05 kg

M4 collimater sight


Muzzle Loading; Primer Impact

(Material presented above is for historical and entertainment value and should not be construed as usable for hardware restoration, maintenance, or general operation - always consult official manufacturer sources for such information)



Sample Visuals**

Graphical image of an infantry mortar projectile / shell
Rounds / Feed

Cartridge relative size chart
*May not represent an exhuastive list; calibers are model-specific dependent, always consult official manufacturer sources.
**Graphics not to actual size; not all cartridges may be represented visually; graphics intended for general reference only.
Max Eff.Range
5,955 ft
(1,815 m | 1,985 yd)
Muzzle Velocity
518 ft/sec
(158 m/sec)

Mortar, 60mm M2 - Base Series Designation itself based on a French design.

Military lapel ribbon for the American Civil War
Military lapel ribbon for pioneering aircraft
Military lapel ribbon for the Cold War
Military lapel ribbon for the Korean War
Military lapel ribbon representing modern aircraft
Military lapel ribbon for the Ukranian-Russian War
Military lapel ribbon for the Vietnam War
Military lapel ribbon for the World War 1
Military lapel ribbon for the World War 2

Ribbon graphics not necessarily indicative of actual historical campaign ribbons. Ribbons are clickable to their respective campaigns / operations.

Images Gallery

1 / 2
Image of the Mortar, 60mm M2
Front left side view of the Mortar, 60mm M2 system with bipod and baseplate in place; note baseplate detail and mortar projectile design
2 / 2
Image of the Mortar, 60mm M2
Close-up view of the M4 collimator sight used on the M2 60mm mortar


Disclaimer | Privacy Policy | Cookies

2023 Military Pay Chart Military Ranks DoD Dictionary Conversion Calculators Military Alphabet Code Military Map Symbols

The "Military Factory" name and MilitaryFactory.com logo are registered ® U.S. trademarks protected by all applicable domestic and international intellectual property laws. All written content, illustrations, and photography are unique to this website (unless where indicated) and not for reuse/reproduction in any form. Material presented throughout this website is for historical and entertainment value only and should not to be construed as usable for hardware restoration, maintenance, or general operation. We do not sell any of the items showcased on this site. Please direct all other inquiries to militaryfactory AT gmail.com. No A.I. was used in the generation of this content; site is 100% curated by humans.

Part of a network of sites that includes GlobalFirepower, a data-driven property used in ranking the top military powers of the world, WDMMA.org (World Directory of Modern Military Aircraft), WDMMW.org (World Directory of Modern Military Warships), SR71blackbird.org, detailing the history of the world's most iconic spyplane, and MilitaryRibbons.info, cataloguing military medals and ribbons.

View day-by-day actions of the American Civil War with CivilWarTimeline.net. View day-by-day actions of World War II with SecondWorldWarHistory.com.

©2023 www.MilitaryFactory.com • All Rights Reserved • Content ©2003-2023 (20yrs)