quickstack-1.16.5-4.0.3.jar is a release file of the Minecraft mod Quickstack for Forge, made for Minecraft 1.16.5. It was published on July 25, 2022 and is 0 MB in size. For the full description, screenshots and every other version, visit the Quickstack mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
