St. Louis Ammunition Collection – Original SL Headstamp US Military Cartridges

Explore our collection of original ammunition manufactured at the famous St. Louis Ordnance Plant (SL headstamp) in Missouri, USA.

This collection features genuine US military cartridges produced during the Second World War and Cold War era, including a range of highly collectible calibres and historic military headstamp variations associated with American wartime ammunition production.

The SL headstamp is closely linked with US military ammunition used in iconic firearms such as:

  • M1 Garand rifles
  • Browning machine guns
  • M1919 weapon systems
  • US military training and combat ammunition

St. Louis produced large quantities of ammunition to support Allied forces during WW2, making SL-marked cartridges highly collectable among:

  • US militaria collectors
  • headstamp collectors
  • WW2 historians
  • M1 Garand enthusiasts
  • ammunition display collectors

Within this collection you may find:

  • .30-06 Springfield rounds
  • wartime production variants
  • uncommon military headstamps
  • Cold War examples
  • collectible US arsenal ammunition

All cartridges are inert and intended for display and collecting purposes only.