The Bushmaster IV is a 40 mm chain-driven

autocannon An autocannon, automatic cannon or machine cannon is a fully automatic gun that is capable of rapid-firing large-caliber ( or more) armour-piercing, explosive or incendiary shells, as opposed to the smaller-caliber kinetic projectiles (bull ...

designed and built by

Alliant Techsystems Alliant Techsystems Inc. (ATK) was an American aerospace, defense, and sporting goods company with its headquarters in Arlington County, Virginia, in the United States. The company operated in 22 states, Puerto Rico, and other countries. ATK's ...

, based on the

M242 Bushmaster The M242 Bushmaster chain gun is a 25 mm (25×137mm) single-barrel chain-driven autocannon. It is used extensively by the U.S. military, such as in the Bradley fighting vehicle, as well as by other NATO members and some other nations in ground ...

Bushmaster II 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 ...

and

Bushmaster III The Bushmaster III is a 30 mm caliber, 35 mm Autocannon, automatic/semi-automatic cannon designed and built by Alliant Techsystems, based on the 25 mm M242 Bushmaster. The weapon has been selected as primary armament for the CV9035 export versio ...

. The Bushmaster IV fires 40×365mmR 3P (Prefragmented, Programmable, Proximity-fuzed),

APFSDS Armour-piercing fin-stabilized discarding sabot (APFSDS), long dart penetrator, or simply dart ammunition, is a type of kinetic energy penetrator ammunition used to attack modern vehicle armour. As an armament for main battle tanks, it succeeds A ...

-T Mk I, and APFSDS-T Mk II rounds. The 3P round will provide air burst capability and the APFSDS-T Mk II can penetrate armor with a thickness in excess of 150 millimeters.

Specifications

The Bushmaster IV requires at 24

volts The volt (symbol: V) is the unit of electric potential, electric potential difference (voltage), and electromotive force in the International System of Units (SI). It is named after the Italian physicist Alessandro Volta (1745–1827). Definit ...

to operate, fires from a

cook off ''Cook Off'' is a 2017 Zimbabwean romantic comedy film written and directed by Tomas Brickhill. Set in contemporary middle class society of Harare, the film stars Tendaiishe Chitima, Fungai Majaya and Tehn Diamond. Production of the film was ...

safe

open bolt A firearm is said to fire from an open bolt if, when ready to fire, the bolt and working parts are held to the rear of the receiver, with no round in the chamber. When the trigger is actuated, the bolt travels forward, feeds a cartridge from t ...

with absolute hangfire protection, and ejects forwards. It fires

NATO The North Atlantic Treaty Organization (NATO, ; french: Organisation du traité de l'Atlantique nord, ), also called the North Atlantic Alliance, is an intergovernmental military alliance between 30 member states – 28 European and two No ...

standard 40×365mm ammunition from an integral linkless feed and has a recoil force of . The ammunition was originally developed for the

Bofors 40mm L/70 The Bofors 40 mm Automatic Gun L/70, (Bofors 40 mm L/70, Bofors 40 mm/70, Bofors 40/70 and the like), is a multi-purpose autocannon developed by the Swedish arms manufacturer AB Bofors (today BAE Systems Bofors) during the second ...

cannon.

References

Autocannon Vehicle weapons 40 mm artillery {{Machinegun-stub

Specifications

See also

References