From Halopedia, the Halo wiki
RG-63 Counter is manufactured by Imbrium Machine Complex. These legs were developed based on intel from the Harvest campaign. There is a PRIME skin related to Recruit armor. There is a FOREST skin related to HAZOP armor.
List of appearances
- Halo 4 - Armory description
- Halo Waypoint Forums - Canon Fodder 1-15-15: Just Getting Started (Catalog Answer)