| 305mm/45 Modèle 1906 gun | |
| Origin: | France |
| Type: | Naval gun |
| Is Ranged: | y |
| Is Artillery: | y |
| Wars: | World War I World War II |
| Weight: | 54.65t |
| Part Length: | 12.775m (41.913feet) |
| Cartridge: | Separate charges |
| Cartridge Weight: | 440kg (970lb) |
| Caliber: | 305mm |
| Rate: | 1.5 rounds per minute |
| Velocity: | 780m/s |
| Max Range: | 14500m (47,600feet) at +12° |
| Breech: | 1906: Manz interrupted screw 1910: Welin interrupted screw[1] |
| Filling: | Picric acid |
The 305mm/45 Modèle 1906 gun was a heavy naval gun of the French Navy.
The type was used on the, mounted in two twin turrets. An improved version, the 305mm/45 Modèle 1910 gun, was installed on the Courbet class. Six surplus guns were modified to become railway guns and designated Canon de 305 modèle 1906/10 à glissement at the end of World War I, and, although too late to see action in that war, they were used during the Second World War.