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 Mk44 Bushmaster II is a 30 mm chain gun manufactured by Northrop Grumman. It is a derivative of the 25 mm M242 Bushmaster, and uses 70% of the same parts as the M242 while increasing the firepower by as much as 50% with the 20% increase in caliber size. The barrel is chromium-plated for extended life.

The General Electric GAU-8/A Avenger is a 30 mm hydraulically driven seven-barrel Gatling-style autocannon that is primarily mounted in the United States Air Force's Fairchild Republic A-10 Thunderbolt II. Designed to destroy a wide variety of ground targets, the Avenger delivers 30mm rounds at a high rate of fire.

Mk44（大毒蛇/丛林之王 II）是由ATK（现并入诺斯罗普·格鲁曼公司）研发生产的30mm机炮，其基于M242 大毒蛇（25mm）机炮，与M242共同70%的零件，在仅将口径增加了20%的前提下，将火力增强了50%。

The MK30-2/ABM is the new standard for 30mm automatic cannons. The outstanding combination of a high rate of fire and state-of-the-art ammunition technology makes the MK30-2/ABM an uncompromising and reliable weapon system. Within a range up to 3,000 metres the MK 30-2/ABM delivers maximum effectiveness against land-, air- and sea targets.

Next-generation, battlefield-proven weapons of excellence, firing 30x173mm advanced ammunition. The Mk44 Bushmaster® Chain Gun® automatic cannon arms ground and naval platforms and is also capable of firing the new Northrop Grumman programmable air burst munitions (Mk310).

2023年11月15日 · The Mark 46 GWS is a remotely operated naval gun system that uses a 30mm high velocity cannon, a forward looking infrared sensor, a low light television camera, and a laser rangefinder for...

The GAU-8/A 30mm Gatlin gun is installed on the U.S. Air Force’s A-10 Thunderbolt II aircraft and the Navy’s Goalkeeper Close-In Weapon System. The GAU-8/A provides a reliable, high-rate-of-fire, combat-proven weapon for close air support and shipboard defense missions.

2021年1月13日 · Here we look in detail at this ubiquitous weapon system. The naval anti-aircraft cannon that can fire explosive shells can trace its roots back to WWII. Swiss-designed Oerlikon 20mm and Swedish-designed Bofors 40mm mounts were used throughout the war and were still in RN service with minimal modifications in the 1980s.

2005年9月15日 · The 30 mm Bushmaster II is derived from the proven 25 mm M242 Bushmaster automatic weapon. This next-generation member of the Chain Gun ® family applies the same design simplicity, positive round control, ease of maintenance and constant velocity ammunition feed of the battle-proven Bushmaster cannon.