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M2 Browning
Photo: Photo Courtesy of PEO Soldier · Wikimedia Commons · Public domain
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M2Browning

Heavy Machine Guns (HMG) · United States · 1933
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M2Browning

M2 Browning
M2 Browning Photo: Photo Courtesy of PEO Soldier · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Penetration
90
Effective Range
85
Firepower
95
Anti-Materiel Capability
95
Reliability
100
Barrel Endurance
0
Accuracy
80
Role Versatility
95
Portability
60
Cost-Effectiveness
100
Origin United States
ManufacturerGeneral Dynamics, FN Herstal, U.S. Ordnance
CategoryHeavy Machine Guns (HMG)
EraInterwar Period
In service1933
Operators110 countries
Quantity2,000
Data Quality88%
MASS(Military Archive Scoring System)
90
Heavy Machine Guns (HMG) MASS Rating
1/12
Interwar Period
1/46
All-Time
Heavy Machine Guns (HMG) · 9 axes scored
Penetration
90
Effective Range
85
Firepower
95
Anti-Materiel Capability
95
Reliability
100
Accuracy
80
Role Versatility
95
Portability
60
Cost-Effectiveness
100
ⓘ Regardless of era, the same scoring system applies to all units in the heavy machine guns (hmg) category.
01 / Overview
M2 Browning
Production
1933–
Quantity
2,000
Operators
Conflicts
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
HEAVY MACHINE GUNS (HMG) · INTERWAR PERIOD
1
PERFORMANCE/PRICE
98
UNIT COST (2025 USD)
—
90
heavy machine guns (hmg) category
ⓘ Performance/Price and MASS score are computed across all units in the heavy machine guns (hmg) category, regardless of era.
02 / Specs & Design
◎General7MOD.7
  • First Production Year1921
  • Service Entry Year1933
  • DesignerJohn Browning
  • Weight (Empty)38 kg
  • Weight (Loaded)58 kg
  • Currently In ServiceYes
  • Notable UsersUnited States, NATO members, many others
◈Cartridge & Calibre7MOD.7
  • Cartridge.50 BMG (12.7×99mm NATO)
  • Calibre12.7 mm
  • Case Length99 mm
  • Calibre ClassHeavy machine gun caliber
  • Bullet Weight48 g
  • RimfireNo
  • Caseless AmmunitionNo
▣Operation9MOD.9
  • Action TypeShort Recoil
  • Fire ModesFully automatic
  • Select FireNo
  • Feed SystemBelt
  • Magazine Capacity0
  • Drum / Belt Capacity0
  • Cyclic Rate of Fire525
  • Trigger TypeMechanical
  • Safety TypeManual safety
◇Ballistics3MOD.3
  • Muzzle Velocity890 m/s
  • Effective Range (point)1,800 m
  • Maximum Range6,800 m
◆Barrel & Sights7MOD.7
▤Construction6MOD.6
▲Production & Cost2MOD.2
  • Total Production3,000,000
  • Production Start1933
03 / History
SERVICE LIFESPANStill in Service
  1. 1933Production started
  2. 1939First deployment: World War II
93
years in service
2,000
units produced
110
countries operating
ⓘ The producing country still actively operates it.
05 / Operators
Operator Inventory1country · 4,445units
4,445active
06 / MASS Score
HEAVY MACHINE GUNS (HMG) RANKING Heavy Machine Guns (HMG) · Interwar Period
📖 TERMS ON THIS PAGE5terms
A firearm feed system where ammunition is stored in a flexible or rigid container (magazine) inserted into the grip or attached externally, feeding rounds into the chamber via a spring or follower.
Integral bipod: a permanently attached, built‑in bipod that provides a two‑point support for a firearm, allowing it to be rested on a surface without separate accessories.
Adjustable metal aiming devices on firearms, consisting of a front post and rear notch, used without magnification.
Short recoil is a firearm operating mechanism where the barrel and slide move together for a short distance after firing, then separate to complete extraction, ejection, and chambering.
A pistol barrel with external helical grooves allowing the attachment of a suppressor or other muzzle devices.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Heavy Machine Guns (HMG) entry →