: Musket rifles, crossbows, battleaxes, and warhammers.

If you are looking for high-quality weapon additions for a 1.6.4 server, here are the most compatible options: 1. CrackShot (Plugin)

If you are actually running a or Cauldron server (which allowed 1.6.4 servers to run both Paper-style plugins and Forge mods), this is the most famous choice.

: Custom firearms, explosives, and grenades using standard Minecraft items (like hoes or sticks) transformed into weapons.

: Ensure you are using Cauldron 1.6.4 . Place the mod in the /mods folder and make sure all players have the same mod installed in their local Minecraft folder.

This is the gold standard for adding guns to a Paper/Spigot server without requiring players to install anything on their own computers.