30mm/40mm Mk44 Bushmaster Automatic Cannon
The 30mm/40mm Mk44 Bushmaster® Automatic Cannon is a next-generation Chain Gun® weapon available and in use today. It continues the Bushmaster tradition of excellence with its design simplicity, external power, positive round control, ease of maintenance, and constant-velocity ammunition feed.
The Mk44 can fire the new programmable air-burst munitions. and it incorporates all of the battle-proven features of the 25mm M242 Bushmaster cannon, with significant system commonality for low-risk, proven performance. The Mk44 has 60 percent logistics commonality with the M242 and 90 percent operator and maintenance training commonality.
The cannon fires all 30mm x 173mm, 30mm x 170mm Rarden & KCB, and 40mm Super Forty ammunition. The Mk44′s compact size and weight facilitates easy upgrades of existing turrets. The cannon has a dual-feed system, and it is reliable and has low lifecycle costs.
| Characteristics | Imperial | Metric |
| Recoil | 8,000 lb | 35,584 N |
| Weight* | ||
| Receiver | 122 lb | 55.3 kg |
| Feeder | 69 lb | 31.3 kg |
| Barrel | 153 lb | 69.4 kg |
| Total | 344 lb | 156 kg |
| Rate of Fire: | Semi-automatic, 200 spm | |
| Power Required | 1.0 HP @ 24 VDC | |
| Clearing Method | Open bolt | |
| Safety | Anti-hangfire safety | |
| Case Ejection | Forward | |
30/40mm Mk44 Bushmaster Automatic Cannon data sheet |
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