Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

M240 machine gun

The M240, officially the Medium Machine Gun, 7.62 mm, M240, is the U.S. military designation for the FN MAG, a family of belt-fed, gas-operated medium machine guns that chamber the 7.62×51mm NATO cartridge.

History, Applications & Art

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around M240 machine gun. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Action
Gas-operated long-stroke piston, open bolt
Barrel length
24.8 in (630 mm)
Cartridge
7.62×51mm NATO
Designed
1950s
Designer
Ernest Vervier
Effective firing range
800–1,800 m (875–1,969 yd) depending on mount

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

History

Design details

Variants

Derivatives

Users

Bibliography

  • ISBN ISBN (identifier)

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

M240 machine gun

Nodes85
Edges84
Triples39
Avg. degree1.98
Density0.023529
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

M240 machine gun

Top relations

Wars · 9
M240 machine gun → First Liberian Civil War, Gulf War, Iraq War, Operation Just Cause, Operation Urgent Fury, Russo-Ukrainian War, Syrian Civil War, War in Afghanistan, War in Iraq (2013–2017)
Manufacturer · 4
M240 machine gun → Barrett Firearms Manufacturing, Daycraft Systems, FN America, U.S. Ordnance
Rate of fire · 4
M240 machine gun → 550–650 rounds/min: Single port, 650–750 rounds/min: Gas setting 1, 750–850 rounds/min: Gas setting 2, 850–950 rounds/min: Gas setting 3
Place of origin · 2
M240 machine gun → Belgium (designed), United States (manufactured)
Action · 1
M240 machine gun → Gas-operated long-stroke piston, open bolt
Barrel length · 1
M240 machine gun → 24.8 in (630 mm)
Cartridge · 1
M240 machine gun → 7.62×51mm NATO
Designed · 1
M240 machine gun → 1950s
Designer · 1
M240 machine gun → Ernest Vervier
Effective firing range · 1
M240 machine gun → 800–1,800 m (875–1,969 yd) depending on mount

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

machine gun m240 m240b army barrel used fn gas fire use mag m240l also barrett receiver weight m240g 62 guns

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
M240 machine gunActionGas-operated long-stroke piston, open bolt1.00infobox
M240 machine gunBarrel length24.8 in (630 mm)1.00infobox
M240 machine gunCartridge7.62×51mm NATO1.00infobox
M240 machine gunDesigned1950s1.00infobox
M240 machine gunDesignerErnest Vervier1.00infobox
M240 machine gunEffective firing range800–1,800 m (875–1,969 yd) depending on mount1.00infobox
M240 machine gunFeed systemBelt-fed using M13 disintegrating links, 50-round ammo pouch, or non-disintegrating DM1 belt1.00infobox
M240 machine gunHeight10.4 in (260 mm)1.00infobox
M240 machine gunIn service1977–present1.00infobox
M240 machine gunLength49.7 in (1,260 mm)1.00infobox
M240 machine gunManufacturerFN America1.00infobox
M240 machine gunManufacturerU.S. Ordnance1.00infobox
M240 machine gunManufacturerBarrett Firearms Manufacturing1.00infobox
M240 machine gunManufacturerDaycraft Systems1.00infobox
M240 machine gunMass27.6 lb (12.5 kg) (M240B)1.00infobox
M240 machine gunMaximum firing range3,725 m (4,074 yd)1.00infobox
M240 machine gunMuzzle velocity2,800 ft/s (853 m/s)1.00infobox
M240 machine gunPlace of originBelgium (designed)1.00infobox
M240 machine gunPlace of originUnited States (manufactured)1.00infobox
M240 machine gunProduced1977–present1.00infobox
M240 machine gunRate of fire550–650 rounds/min: Single port1.00infobox
M240 machine gunRate of fire650–750 rounds/min: Gas setting 11.00infobox
M240 machine gunRate of fire750–850 rounds/min: Gas setting 21.00infobox
M240 machine gunRate of fire850–950 rounds/min: Gas setting 31.00infobox
M240 machine gunSightsIron sights: front blade and folding rear leaf with aperture and notch1.00infobox
M240 machine gunTypeGeneral-purpose machine gun Medium machine gun1.00infobox
M240 machine gunUnit costUS$6,6001.00infobox
M240 machine gunUsed bySee Users1.00infobox
M240 machine gunVariantsSee Variants1.00infobox
M240 machine gunWarsOperation Urgent Fury1.00infobox

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.