[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] 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).
This article relating to machine guns is a stub.