Weapons of the USN

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Guns and torpedoes of the USN

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Capital Ship main armament
12"/35 Mk 2 in Mk 3 dual turrets - 870 lb projectile at 2100 fps/640 mps.  AP & Common projectiles available - 1894
12"/40 Mk 3 in Mk 4 dual turrets - 870 lb projectile at 2800 fps/853 mps.  AP & Common projectiles available - 1900

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Armored Cruiser main armament/Capital ship secondary armament

10"/45 Mk 4 in Mk 7 dual turrets - 510 lb projectile at 2800 fps/853 mps.  AP & Common projectiles available - 1900
10"/40 Mk 3 in Mk 6 dual turrets - 510 lb projectile at 2700 fps/823 mps.  AP & Common projectiles available - 1897
8"/45 Mk 6 in Mk 7 dual turrets - 260 lb projectile at 2800 fps/853 mps.  AP & Common projectiles available - 1899
8"/40 Mk 5 in Mk 5 dual turrets - 260 lb projectile at 2500 fps/762 mps.  AP & Common projectiles available - 1894

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Light weapons
6"/50 Mk 6 in Mk 10 single mountings and Mk 11 dual mountings - 105 lb projectiles at 2800 fps/853 mps.  AP & Common projectiles available - 1898
6"/40 Mk 4 in Mk 6 single mountings - 105 lb projectiles at 2150 fps 655 mps.  AP & Common available - 1890
5"/50 Mk 5 in Mk 12 single mountings - 50 lb projectiles at 3000fps/914 mps.  AP & Common available - 1900
5"/40 Mk 3 in Mk 3 & Mk 6 single mountings - 50 lb projectiles at 2300 fps/701 mps.  AP available - 1890
4"/50 Mk 7 in Mk 12 single mountings - 33 lb projectiles at 2500 fps/762 mps.  Common available - 1898
4"/40 Mk 4 in Mk 7 single mountings  - 33 lb projectiles at 2000 fps/610 mps.  AP & Common available - 1890
3"/50 Mk 5 in Mk 5 single mountings - 13 lb projectile at 2700 fps/823 mps.  AP & Common available - 1899
57mm/45 Mk 7 in single mountings - 6 pound projectile at 2240 fps/683 mps.  AP & Common available - 1889