ModsJava
Great Backslot
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on Modrinth
A quite simple mod that adds a weapon backslot for new versons.
i made it cus i could not find one for new versons, so here you go.
this is a really basic back slot mod, it adds a slot in your invintory for the backslot.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.11
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Ships as greatbackslot-1.0.0-neoforge-1.21.11.jar — drop this file into the mods folder
- Download size: 20 KB
- Download link checked 12 Nov 2026 — working
These come from our own check of the pack file, not from the source page.