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This cooling system consists of a cylindrical water tank around the rear end of the barrel. The GSh-30-1 is equipped with a unique pyrotechnic mechanism to clear misfires: a small pyrotechnic cartridge is located to the left of the 30mm cartridge chamber. This pyrotechnic cartridge fires a small steel bolt through the side wall of the 30mm ...
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 magazine can hold 1,174 rounds, although 1,150 is the typical load-out. Muzzle velocity when firing armor-piercing incendiary rounds is 1,013 m/s, almost the same as the substantially lighter M61 Vulcan's 20 mm round, giving the gun a muzzle energy of just over 200 kilojoules. [9] 30x173mm round next to a .30-06 Springfield for comparison
The M1 ammo crate held a total of 1,000 belted or linked rounds packed in 4 M1 ammo boxes and the later M1A1 ammo crate held a total of 1,000 belted or 1,100 linked rounds packed in M1A1 ammo boxes. There were two .50 M2 ammo boxes to a crate (for a total of 220 belted or 210 linked rounds) with a volume of 0.93 cubic feet.
The Lightweight 30 mm rounds come in three varieties: the M788 rounds, which have a blue band near the nose, the M789 with a yellow stripe atop a black band, and the M799 with a red stripe atop a yellow band. [10] [11] The M799 HEI round is not used by the U.S. Army because of the danger of a round exploding in the gun barrel.
The 30 mm 2A42 autocannon was developed as a replacement for 2A28 Grom and has a dual feed. One is for HE-T and the other for AP-T rounds. The gunner can select one of two rates of full automatic fire, low at 200 to 300 rds/min and high at 550 to 800 rds/min. [4] According to the manufacturer, effective range when engaging ground targets such as light armoured vehicles is 1,500 m (4,900 ft ...
The shell on the left is a 30 mm HEI. The shells were first employed in naval batteries, but soon found their way to land-based howitzers as well. They caused fires, which on ships can be difficult to extinguish in the tight spaces. Also, fired at tanks and soft targets, they can cause fires that completely engulf the vehicle, killing anyone ...
The NR-30 was an attempt to solve this problem by introducing a single weapon that could serve in both roles. It was essentially an enlarged version of the NR-23 using the same short recoil mechanism firing a new 400 gram 30 mm round that was roughly twice the mass of the earlier NR-23 and slightly less than half that of the N-37. While not ...