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.
|Recoil||8,000 lb||35,584 N|
|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|
30/40mm Mk44 Bushmaster Automatic Cannon data sheet