portalgun-6.1.1+1.20.1.jar is a release file of the Minecraft mod Immersive Portal Gun for Forge for Forge, made for Minecraft 1.20.1. It was published on July 9, 2025 and is 0.7 MB in size. For the full description, screenshots and every other version, visit the Immersive Portal Gun for Forge mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.