Republic Military Industries (共和国工廠 Kyōwakoku Kōshō?, abbreviated as RMI) are a weapons manufacturer in 86 -Eighty Six-. They manufactured the Republic of San Magnolia's main weapon, the M1A4 Juggernaut, and the M101 Barrett automated support unit.
- Standard Model Assault-Rifle: A rifle model that is infamous for its heavy mass. The ammunition used were sturdy metal alloys that granted high penetrations, originally designed to use against the Legion. Republic soldiers normally refused to carry the rifle due to being exceptionally heavy.