History

WW1 Weapons: The Arsenal of the Great War

From rifles to poison gas to tanks, World War I saw unprecedented weapons development. The technology that made the Great War so deadly.

Superlore TeamJanuary 20, 20262 min read

WW1 Weapons: The Tools of Industrial Warfare

World War I was the first industrial war. New weapons made it the deadliest conflict in history to that point.

Learn more in our World War 1 Guide →

Infantry Weapons

Rifles

  • Bolt-action, magazine-fed
  • Fast-firing (trained soldier: 15+ aimed shots/minute)
  • Accurate and reliable
  • Mauser design
  • Excellent accuracy
  • Basis for future rifle design
  • Older designs
  • Still effective

Machine Guns

The war's deadliest weapons. See our complete WW1 Machine Guns guide.

Grenades

Mills Bomb (Britain) — Iconic segmented design
Stielhandgranate (Germany) — "Potato masher" stick grenade

Essential for trench raids and clearing positions.

Close Combat

Trench clubs — Brutal improvised weapons
Trench knives — See our WW1 Trench Knife guide
Bayonets — Still used, though less than expected

Artillery

The real killer:
Artillery caused 60%+ of WW1 casualties.

  • 75mm (France) — Legendary quick-firing gun
  • 18-pounder (Britain)
  • 77mm (Germany)
  • Howitzers for trenches
  • Railway guns for bombardment
  • "Big Bertha" (Germany) — Siege gun
  • Millions of shells before attacks
  • Created moonscape battlefields
  • Psychological terror

Chemical Weapons

First used 1915, banned after 1918

Chlorine gas: Destroyed lungs
Phosgene: More lethal, harder to detect
Mustard gas: Blistered skin, blinded, killed slowly

Defense: Gas masks became essential. See our WW1 Gas Mask guide.

New Technologies

Tanks

Invented to break the trench stalemate. See our WW1 Tanks guide.

Aircraft

  • 1914: Observation only
  • 1915: First armed aircraft
  • 1916-18: Fighters, bombers, coordinated air warfare
  • Sopwith Camel (Britain)
  • SPAD (France)
  • Fokker Dr.I (Germany) — Red Baron's triplane

Submarines

  • Unrestricted submarine warfare
  • Nearly starved Britain
  • Sank Lusitania
  • Brought US into war

Weapons That Didn't Exist

  • Assault rifles (semi-automatic rifles existed but weren't standard)
  • Jeeps (transport was horses, rail, feet)
  • Helicopters
  • Radar

Legacy

  • Proved industrial warfare's devastation
  • Created arms races
  • Led to Geneva Protocol (banned chemical weapons)
  • Shaped WW2 weapon development

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