Wikimedia Commons has media related to 305 mm artillery.
This includes 12-inch guns, which are actually 304.8 mm.
Pages in category "305 mm artillery"
The following 40 pages are in this category, out of 40 total. This list may not reflect recent changes.
0–9
- 12-inch/35-caliber gun
- 12-inch/40-caliber gun
- 12-inch/45-caliber Mark 5 gun
- 12-inch/50-caliber gun (Argentina)
- 12-inch/50-caliber Mark 7 gun
- 12-inch/50-caliber Mark 8 gun
- 12-inch coast defense mortar
- 12-inch gun M1895
- 30.5 cm SK L/50 gun
- Russian 12-inch 40-caliber naval gun
- Obukhovskii 12-inch/52-caliber Pattern 1907 gun
- 305 mm howitzer M1915
- 305 mm howitzer M1939 (Br-18)
- 305mm/45 Modèle 1906 gun