The Bushmaster IV is a 40 mm chain-driven autocannon designed and built by Alliant Techsystems, based on the M242 Bushmaster, Bushmaster II and Bushmaster III.[1][2] The Bushmaster IV fires 40×365mmR 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 armor with a thickness in excess of 150 mm (5.9 in).[3]
Specifications
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). The ammunition was originally developed for the Bofors 40mm L/70 cannon.
See also
- 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
References
- ^ "40mm Bushmaster IV Automatic Cannon". Archived from the original on 2 April 2014.
- ^ "Bigger, badder Bushmaster cannon in the works". 8 November 2013. Archived from the original on 30 December 2013.
- ^ Borén, Michael (June 2002). "Presentation of the Bofors 3P and System Concept" (PDF). Archived from the original (PDF) on 28 February 2013. Retrieved 30 December 2013.
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