Canon de 340 mm Modèle 1887 gun

The Canon de 340 mm Modèle 1887 was a heavy naval gun used as the main armament of several ships of the Marine Nationale (French Navy) before World War I. It equipped the FRENCH BATTLESHIP Brennus and the coast-defense ships FRENCH COAST-DEFENSE SHIP Jemappes and FRENCH COAST-DEFENSE SHIP Valmy.

Ammunition

 * APC (Armor-piercing, Capped) - 490 kg
 * SAPC (Semi-Armor-piercing, Capped) - 490 kg
 * CI (Cast iron) - 420 kg