gm_construct-1.0.6.jar is a release file of the Minecraft mod Greg's Modern Construct for NeoForge, Forge, made for Minecraft 1.20.1. It was published on June 24, 2025 and is 0.7 MB in size. For the full description, screenshots and every other version, visit the Greg's Modern Construct mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.