MFFS 1.21.11-5.7.1 is a release file of the Minecraft mod Modular Force Field Systems (MFFS) for NeoForge, made for Minecraft 1.21.11. It was published on February 26, 2026 and is 3 MB in size. For the full description, screenshots and every other version, visit the Modular Force Field Systems (MFFS) mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
