copperagebackport-neoforge-1.21.1-0.1.0.jar is a release file of the Minecraft mod Copper Age Backport for NeoForge, made for Minecraft 1.21.1. It was published on November 25, 2025 and is 1.5 MB in size. For the full description, screenshots and every other version, visit the Copper Age Backport mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
