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The 42 centimetre kurze Marinekanone 14 L/12 (short naval cannon), or Minenwerfer-Gerät (M-Gerät), popularly known by the nickname Big Bertha, was a German siege howitzer built by Krupp AG in Essen, Germany and fielded by the Imperial German Army from 1914 to 1918.
The W48 was 846 mm (33.3 in) long and weighed 58 kg (128 lb); it was in a 155 mm M-45 AFAP (artillery fired atomic projectile) for firing from standard 155 mm howitzer. The fission warhead was a linear implosion type , consisting of a long cylinder of subcritical fissile material which is compressed and shaped by explosive into a supercritical ...
Pages in category "420 mm artillery" The following 4 pages are in this category, out of 4 total. This list may not reflect recent changes. 0–9. 2B1 Oka;
420 mm at 1000 m, [7] defeat the NATO Single heavy target at 8000 m and the Triple heavy target at 7000 m or 8400 m Use the same penetrator as the OFL 105 F1 105 mm APFSDS in a larger sabot. Upgraded with Israeli-style steel fins instead of aluminium in 1987. [8] DM23 Germany: Rheinmetall 1982 [9] 884 mm 457.7 mm ⌀ 32 × 360 mm 12:1 Tungsten ...
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By way of comparison, the .416 Rigby and .416 Remington Magnum cartridges fire .416 in (10.57 mm) bullets of 400 gr (26 g) at 2,400 feet per second (730 m/s) with a muzzle energy of approximately 5,000 foot-pounds force (6,800 N⋅m). These cartridges exceed the ballistic performance of the .404 Jeffery but at the price of greater recoil and ...
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