M242 Bushmaster

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	Weapon: M242 Bushmaster Type: Autocannon Country of Origin: United States Year Adopted: 1981 Caliber: 25x137mm Action: Chain Gun Overall Length (mm): 2672.0 Overall Length (in): 105.2 Weight (kg): 119.00 Weight (pounds): 262.35 Effective Range (m): 2000 m Effective Range (yards): 2187.23

The M242 Bushmaster is a 25 mm chain-driven autocannon developed by Hughes Ordnance (now part of Northrop Grumman) in the late 1970s. Its standout design feature is its externally powered chain-driven mechanism, which significantly reduces the chances of jamming compared to gas-operated systems. The M242 can switch between single-shot, low-rate, and high-rate firing modes, with a maximum rate of fire of around 200 rounds per minute. Its primary ammunition types include armor-piercing (APDS-T) and high-explosive (HEI-T) rounds, making it effective against both lightly armored vehicles and personnel.

Production of the M242 began in the early 1980s, and it was quickly adopted as the main armament of the M2/M3 Bradley Fighting Vehicle series used by the U.S. Army. The weapon has also been integrated into various naval, land, and air platforms worldwide, including the U.S. Navy's Mk 38 Mod 2 weapon system. Thousands of units have been manufactured, and the cannon has seen widespread service not only in the United States but also in allied militaries such as those of Canada, Australia, and the United Kingdom.

The M242 Bushmaster earned a strong reputation for reliability and effectiveness, particularly during the Gulf War and subsequent Middle Eastern conflicts. Its ability to deliver precise, rapid fire at medium range against a variety of targets has made it a cornerstone of modern infantry fighting vehicles. Its robustness and modularity have ensured that it remains in active service for decades, with multiple upgrades and improvements introduced over time to maintain its combat relevance.