ModsJava
Gun Core Mod (26.2, 1.21.11) – Library Mod To Add Guns
Java mod listed for Minecraft 1.21. File opened and checked on 16 Oct 2026; downloads from the MC Java Mods app on Android.
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Gun Core Mod is a library datapack/mod that makes it easy for developers to add their own guns into the game. The mod by itself does not add any new content to the game, but it facilitates an environment that makes it easy for developers to add custom guns to the game. As a player, you only need to install it if a mod requires it as a dependency.

Features:
- Library mod/datapack.
- Allows developers to add custom guns to the game.
- Required as a dependency by other mods.
Screenshots:





Gun Core Mod Download Links
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: In MC Java Mods, or directly above on this page.
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
- Downloads as 27765.mcaddon
- Download size: 2.9 MB
- Download link checked 25 Sept 2026 — working
- Mirrored on our own servers — the download does not depend on the original host
These come from our own check of the pack file, not from the source page.