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127 mm/50 3rd Year Type (Ayanami, Hatsuharu, Hayanami, Kiyoshimo, Nenohi, Shimakaze, Yukikaze, Yūdachi, Yūgumo), 127 mm/40 Type 89 (Fusō, Haguro, Haruna, IJN Shokaku, Ise, Isuzu, Kirishima, Kongō, Matsu, Mikuma, Mogami, Myōkō, Suzuya, Tone, Yamato): max horizontal dispersion: 0.185° → 0.21°,
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127 mm/51 Mk. 7 (Mk. 13 mount) (Arizona (BB-39), Arkansas (BB-33), Colorado (BB-45), Texas (BB-35), Wyoming (BB-32)): max horizontal dispersion: 0.195° → 0.21°,
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127 mm/25 Mk. 11 (Mk. 19 Mod. 2 mount) (Arizona (BB-39), Colorado (BB-45), Lexington (CV-2)), 127 mm/38 Mk. 12 (Mk. 21/1 mount) (Aylwin (DD-355)), 127 mm/38 Mk. 12 (Mk. 22 mount) (Bagley (DD-386), Davis (DD-395), Moffett (DD-362), Phelps (DD-360), Porter (DD-356), Somers (DD-381)), 127 mm/38 Mk. 12 (Mk. 29 mount) (Atlanta (CL-51), Cleveland (CL-55), Fargo (CL-106), Helena (CL-50), Iowa (BB-61)), 127 mm/38 Mk. 12 (Mk. 30 Mod. 33-36 mounts) (Saratoga (CV-6)), 127 mm/38 Mk. 12 (Mk. 30 Mod. 85 mount) (Bagley (DD-386), Bennion (DD-662), Coolbaugh (DE-217), Cowell (DD-547), Fletcher (DD-445), Zerstörer 4 (D 178), Harukaze (DD-101), Yūgure (DD-184), Geniere (D 555)), 127 mm/38 Mk. 12 (Mk. 32 mount) (Alaska (CB-1), Baltimore (CA-68), Des Moines (CA-134), Nevada (BB-36), Newport News (CA-148), Pittsburgh (CA-72), Tennessee (BB-43)), 127 mm/38 Mk. 12 (Mk. 32 Mod. 2 mount) (Saratoga (CV-6)), 127 mm/38 Mk. 12 (Mk. 38 mount) (Allen M. Sumner (DD-692), Frank Knox (DD-742), Gearing (DD-710), Impetuoso (D 558)), 127 mm/25 Mk. 13 (Mk. 19 mount) (Brooklyn (CL-40), Mississippi (BB-41), New Orleans (CA-32), Northampton (CA-26), Pensacola (CA-24), Portland (CA-33)), 127 mm/54 Mk. 16 (Mk. 39 mount) (Murasame (DD-107)), 127 mm/54 Mk. 18 (Mk. 42 mount) (Forrestal (CV-59), Mitscher (DL-2), Wilkinson (DL-5)): max horizontal dispersion: 0.17° → 0.23°,
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133 mm/50 Q.F. Mk. I (Mk. II mount) (Dido (37), Vanguard (23)):
- max horizontal dispersion: 0.12° → 0.16°,
- max vertical dispersion: 0.29° → 0.26°,
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135 mm/45 OTO Mod. 38 (Attilio Regolo, Comandante Margottini (MA), Conte di Cavour, Duilio, Etna), 138 mm/55 mle. 1910 (Amiens, Arras, Bretagne, Courbet, Lorraine, Paris), 138 mm/40 mle. 1927 (Aigle (X 13), Milan (X 111), Vauquelin (X 53), Vautour (X 71)), 138 mm/50 mle. 1929 (Le Malin (X 82), Le Triomphant (X 83)), 138 mm/50 mle. 1934 Mod. 1938 (Mogador (X 61)), 140 mm/50 3rd Year Type (Amagi, Hyūga, Ise, Mutsu, Sendai, Tama, Yūbari):
- max horizontal dispersion: 0.25° → 0.23°,
- max vertical dispersion: 0.29° → 0.28°,
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152 mm/40 Armstrong Mod. 1899/16 (Aquila (AQ)), 152 mm/55 mle. 1930 (Émile Bertin, La Galissonnière, Richelieu), 152 mm/53 OTO Mod. 26 (Bartolomeo Colleoni), 152 mm/53 OTO Mod. 29 (Kerch, Eugenio di Savoia, Raimondo Montecuccoli), 152 mm/55 Ansaldo Mod. 34 (Luigi di Savoia Duca degli Abruzzi, Roma):
- max horizontal dispersion: 0.23° → 0.26°,
- max vertical dispersion: 0.31° → 0.33°,
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152 mm/57 B-38 (Chapayev, Kronshtadt, Mikhail Kutuzov, Sevastopol, Shcherbakov, Sovetsky Soyuz, Sverdlov, Zheleznyakov), 152 mm M81 (Flagstaff (PGH-1)):
- max horizontal dispersion: 0.24° → 0.25°,
- max vertical dispersion: 0.3° → 0.31°,
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152 mm/50 Q.F. Mk. N5 (Mk. 26 mount) (Tiger (C 20)): max vertical dispersion: 0.32° → 0.34°,
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180 mm/57 B-1-P (Kirov, Maxim Gorky, Voroshilov), 180 mm/60 B-1-K (Krasny Kavkaz):
- max horizontal dispersion: 0.21° → 0.255°,
- max vertical dispersion: 0.32° → 0.36°,
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190 mm/45 B.L. Mk. VI (C.P. Mk. V mount) (Hawkins (D 86)): max vertical dispersion: 0.32° → 0.36°,
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283 mm/45 S.K. (Nassau, Von der Tann, Westfalen): max vertical dispersion: 0.26° → 0.28°,
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283 mm/52 S.K. C/28 (Admiral Graf Spee), 283 mm/54 S.K. C/34 (Scharnhorst):
- max horizontal dispersion: 0.24° → 0.31°,
- max vertical dispersion: 0.32° → 0.33°,
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305 mm/45 41st Year Type (Ikoma, Kurama, Settsu), 305 mm/50 41st Year Type (Settsu), 305 mm/45 B.L. Mk. X (Dreadnought, Invincible (85)), 305 mm/50 B.L. Mk. XI (B. Mk. XI mount) (Colossus), 305 mm/50 Mk. 7 (Mk. 9 mount) (Arkansas (BB-33), Wyoming (BB-32)), 305 mm/50 Mk. 8 (3-Gun Turret mount) (Alaska (CB-1)), 305 mm/45 mle. 1906/10 (Courbet, Paris), 305 mm/50 S.K. (Derfflinger, Helgoland, Kaiser, Ostfriesland): max horizontal dispersion: 0.24° → 0.25°
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305 mm/55 B-50 (Kronshtadt), 305 mm/52 obr. 1907 g. (Imperatritsa Mariya, Marat, Parizhskaya Kommuna, Poltava): max horizontal dispersion: 0.2° → 0.27°,
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305 mm/46 Elswick Mod. 1909 (Dante Alighieri, Leonardo da Vinci), 305 mm/45 Mk. 5 (Mk. 7 mount) (North Dakota (BB-29)), 305 mm/46 Vickers 305/46 Mod. 09 (Andrea Doria): max horizontal dispersion: 0.25° → 0.31°,
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356 mm/45 41st Year Type (Fusō, Haruna, Hyūga, Ise, Kirishima, Kongō, Yamashiro), 356 mm/45 Mk. 8 (3-Gun Turret mount) (Arizona (BB-39)), 356 mm/45 Mk. 12 (Nevada (BB-36), Texas (BB-35)), 356 mm/52 obr. 1913 g. (Izmail):
- max horizontal dispersion: 0.34° → 0.31°,
- max vertical dispersion: 0.28° → 0.3°,
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356 mm/50 Mk. 11 (Mississippi (BB-41), Tennessee (BB-43)): max vertical dispersion: 0.3° → 0.285°