Using Eaglercraft’s developer tools, advanced users inject JavaScript directly into the client’s runtime. This allows for custom ray-casting guns, recoil, and even scopes.
: Eaglercraft is not modded via Forge/Fabric. A "Gun Mod" would require rewriting core game classes in the compiled JS (Eaglercraft’s client is obfuscated) or building a plugin system from scratch—a massive reverse-engineering effort. Eaglercraft Gun Mod