Bushmaster IV
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| Bushmaster IV | |
|---|---|
| Type | Chain-driven autocannon |
| Place of origin | United States |
| Production history | |
| Designer | Alliant Techsystems |
| Manufacturer | Alliant Techsystems |
| Specifications | |
| Mass | 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 | 40×365mmR |
| 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 40×365mmR 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]
