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37 mm gun or 3.7 cm gun can refer to several weapons or weapons systems. The "37 mm" refers to the inside diameter of the barrel of the gun, and therefore the diameter of the projectile it fires. The "37 mm" refers to the inside diameter of the barrel of the gun, and therefore the diameter of the projectile it fires.
The 37 mm gun M3 is the first dedicated anti-tank ... The inability of the 37 mm round to penetrate the frontal armor of mid-war tanks severely restricted the anti ...
The 3.7 cm Br Sprgr Patr 40 L/4.1 Lh 37M was a high-explosive round with an incendiary filling while the 3.7 cm Sprgr Patr 40 L/4.1 Lh 37 lacked the incendiary fill, but was otherwise identical. Tracers were available in red, yellow or white and were marked on the shell by a painted band of the appropriate color.
Size comparison between 30×170mm and 5.56x45mm NATO. The 30 mm caliber is a range of autocannon ammunition. It includes the NATO standardized Swiss 30×173mm (STANAG 4624), the Soviet 30×155mmB, 30×165mm and 30×210mmB, the Czechoslovak 30×210mm, the Yugoslav 30×192mm, the British 30×113mmB, and the French 30×150mmB and 30×170mm cartridges.
The 37 mm M9 autocannon was a derivative of the 37 mm M1A2 flak gun and used the longer, more powerful 37×223mmSR cartridge. Compared to the M4, the M9 had 50% more muzzle velocity (3,000 fps) from a 78-inch barrel (vs. 65-inch in M4), and was twice as heavy (120 vs. 55 pounds for the barrel alone); the whole M9 weighed 405 pounds vs. 213 of ...
The US Navy adopted the Maxim-Nordenfelt 37 mm 1-pounder as the 1-pounder Mark 6 before the 1898 Spanish–American War. The Mark 7, 9, 14, and 15 weapons were similar. [25] It was the first dedicated anti-aircraft (AA) gun adopted by the US Navy, specified as such on the Sampson-class destroyers launched in 1916–17.
In 1938, the Kingdom of Romania acquired the license to locally produce 360 guns, officially known as "Tun antiaerian Rheinmetall calibru 37 mm model 1939" ("37 mm Rheinmetall anti-aircraft cannon model 1939") at the Astra Works in Brașov. By May 1941, 102 guns had been delivered. [2] The production rate was of 6 pieces per month as of October ...
The 3.7 cm KwK 36 used the 37 x 249 mm. R cartridge. Average penetration performance established against rolled homogeneous steel armor plate laid back at 30° from the vertical. [1] PzGr.18 (Armour-piercing) Weight of projectile: 0.658 kg (1 lb 7.2 oz) Muzzle velocity: 745 m/s (2,440 ft/s)