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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 improvements include a 25.4 mm (1.00 in) longer barrel, integral mount to increase first round hit probability by up to 10%, a dual recoil system to enhance accuracy to help cope with future hotter propellants, and a Meggitt linkless dual feed ammunition system. [15] The 30 mm chain gun can fire Mk310 Programmable Air Burst Munition rounds ...
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 ...
In 1972, Hughes Helicopters began a company-funded research effort to design a machine gun to fire the U.S. Army's M50 20 mm round. [6] By April 1973, the program had fired test rounds of more powerful 30 mm WECOM linked ammunition, from a prototype (A model). In January 1975, a model C was added, a linkless version for the proposed Advanced ...
The .30-30 Winchester / 7.8x51mmR (officially named the .30 Winchester Center Fire or .30 WCF) cartridge was first marketed for the Winchester Model 1894 lever-action rifle in 1895. [4] The .30-30 (pronounced "thirty-thirty"), as it is most commonly known, along with the .25-35 Winchester , was offered that year as the United States' first ...
30 mm is a popular calibre for modern autocannons. Pages in category "30 mm artillery" The following 41 pages are in this category, out of 41 total.
The cannon used specially-developed 30×90RB mm ammunition—30 mm calibre, 90 mm case length, rebated/reduced rim. Unlike most other weapon rounds, which used traditional brass for the case, the MK 108's ammunition used steel cases. Several types of ammunition were developed, including practice, armor-piercing, high-explosive and incendiary.
A common 30×111mm round [2] [3] was developed that offered a dramatic improvement in muzzle velocity from the MK 108's 540 m/s to the new design's 790 m/s (2,600 ft/s). This was only slightly lower than contemporary 20 mm cannon like the Hispano Mk.