305mm/45 Modèle 1906 gun
Courbet in Toulon-Agence Rol.jpeg
Main guns of the Courbet
TypeNaval gun
Place of originFrance
Service history
Used byFrance
WarsWorld War I World War II
Mass54.65 metric tons (53.79 long tons)
Barrel length12.775 meters (41 ft 11.0 in)

ShellSeparate charges
Shell weight440 kilograms (970 lb)
Caliber305 millimeters (12.0 in)
BreechManz interrupted screw
Rate of fire1.5 rounds per minute
Muzzle velocity780 meters per second (2,600 ft/s)
Maximum firing range14,500 meters (15,900 yd) at +12°

The 305mm/45 Modèle 1906 gun was a heavy naval gun of the French Navy.

The type was used on the Danton-class battleships, mounted in two twin turrets. An improved version, the 305mm/45 Modèle 1910 gun, was installed on the Courbet class.

See also

Weapons of comparable role, performance and era



  • Friedman, Norman (2011). Naval Weapons of World War One. Barnsley, South Yorkshire, UK: Seaforth. ISBN 978-1-84832-100-7.
  • Jordan, John (2013). "The 'Semi-Dreadnoughts' of the Danton Class". In Jordan, John. Warship 2013. London: Conway. pp. 46–66. ISBN 978-1-84486-205-4.

External links

  • PIECES LOURDES : 240 et plus
  • 305 mm/45 (12") Model 1906 and Model 1906-1910