|Place of origin||United States|
|Weight|| Receiver: 198 kg (437 lb) |
Feeder: 29 kg (64 lb)
Barrel: 138 kg (304 lb)
Total: 365 kg (805 lb)
|Length||4,018 mm (158.2 in)|
|Width||430 mm (17 in)|
|Height||478 mm (18.8 in)|
|Feed system||Linkless feed|
The Bushmaster IV is a 40 mm chain-driven autocannon designed and built by Alliant Techsystems. The Bushmaster IV is based on the M242 Bushmaster, Bushmaster II and Bushmaster III, all originally developed by Alliant Techsystems. The Bushmaster IV fires 40×365mm 3P (Prefragmented, Programmable, Proximity-fuzed), APFSDS-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 in excess of 150mm armor.
The Bushmaster IV requires 5 hp (3.7 kW) at 24 volts to operate, fires from a cook off safe open bolt with absolute hangfire protection, and ejects forwards. It fires NATO standard 40×365mm ammunition from an integral linkless feed and has a recoil force of 62,272 N (13,999 lbf).
- M230 30 mm autocannon
- M242 Bushmaster 25 mm chain gun
- Bushmaster II 30 mm chain gun
- Bushmaster III 35 mm chain gun
- Bofors 40 mm L/70
- ↑ "40mm Bushmaster IV Automatic Cannon". https://www.atk.com/products-services/40mm-bushmaster-iv-automatic-cannon/.
- ↑ "Bigger, badder Bushmaster cannon in the works". 8 November 2013. http://www.armytimes.com/article/20131108/NEWS/311080016/Bigger-badder-Bushmaster-cannon-works.
- ↑ Borén, Michael (June 2002). "Presentation of the Bofors 3P and System Concept" (PDF). http://www.dtic.mil/ndia/2003gun/boren.pdf.
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