EX-040 HD-4004

The HD-4004 Head. The HD-4004 Head. This Head is most notably used by both Annihilator from Armored Core: Master of Arena and the quadruped AC introduced in Armored Core: Project Phantasma intro. The HD-4004 is a radar equipped-type head introduced in Armored Core: Master of Arena. It's built in Radar system allows a trade-off between a higher functioning radar with a weapon of your choice on the back of your Core. Designed for aesthetics in mind, this Head has lower than average defenses and