biggerreactors-1.16.3-0.1.9-beta.jar is a beta file of the Minecraft mod Bigger Reactors for Forge, made for Minecraft 1.16.3. It was published on October 22, 2020 and is 0.5 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the Bigger Reactors mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
