Bushmaster IV

Bushmaster IV
Type Chain-driven autocannon
Place of origin United States
Production history
Designer Alliant Techsystems
Manufacturer Alliant Techsystems
Specifications
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)
Cartridge 40×365mm
Action Open bolt
Feed system Linkless feed

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 40×365mm 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 armor with a thickness in excess of 150 millimeters. [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

References

  1. ↑ "40mm Bushmaster IV Automatic Cannon". Archived from the original on 2 April 2014.
  2. ↑ "Bigger, badder Bushmaster cannon in the works". 8 November 2013. Archived from the original on 2013-12-30. (Subscription required (help)).
  3. ↑ Borén, Michael (June 2002). "Presentation of the Bofors 3P and System Concept" (PDF).


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