Minecraft Java 1.21 Mods
Browse 550 free mods for Minecraft Java 1.21 — popular picks include Create: Gunsmithing ReForked (Unsupported), Sol's Relic System (Crit System, Stats, and more.), Combat Expansion.
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Create: Gunsmithing ReForked (Unsupported)
NeoForge fork of the Create: Gunsmithing mod. This mod adds fully animated steampunk guns that can be crafted using the Create mod mechanics.
Sol's Relic System (Crit System, Stats, and more.)
A full-blown RPG artifact system. Every weapon and armor piece that enters your inventory becomes a Relic — a piece of equipment with randomized stats, an XP-based leveling system, crit mechanics, set bonuses, and much more.
Combat Expansion
Adds a whole new collection of weapons, armor, and enchantments for PvP
Enchantment Calculator
Client-side mod that calculates optimal enchantment paths to save XP and levels when enchanting gear, tools, weapons, and armor.
Spellbound Weapons Better Combat Addons
Add BetterCombat to the weapons provided by Splatus's Spellbound Weapon datapack
GunPlugin
A feature rich Minecraft Java version firearm plugin一个功能丰富的Minecraft Java版枪械插件
[TACZ] Refit | Recipe and Stats Editor
Adds a recipe and stats editor for TACZ and addon weapons, attachments and ammo.
Gun Core Fancy's Patch
A modification of Gamingbarns Gun Core made to have extra capabilities, while being compatible with normal gun core
BioMech
Man and machine become one. Replace body parts with machine parts and enhance your own body with new functionality.
Mo-Combat
Adds new combat items to the game, including a new weapon type craftable with each material, and new shields for each material!
Spears, Staves, and Swords: Weapon Expansion
A datapack that revamps combat, adding 3 new weapon types, as well as a set of enchantments.

Flare Guns
Shoot flares for illumination or communication! Everyone on a server can see the shining lights you launch into the sky
Craftable Gunpowder(bonemeal&charcoal)
Craft gunpowder with coal/charcoal and bone meal!
Create: Gunpowder Recipe
Enables a fully automatable Gunpowder recipe designed specifically for the Create mod.
Azister's Weapons&Deco
Decorations and Itens that fit vanila style improving start tools and endgame.
Relics of Ruin
A custom weapon system featuring boss-themed swords with unique abilities and mechanics.
Emerald Gearset
This mod adds an emerald variant of tools, weapons, and armor.
Too Expensive Extractor
Remove Too Expensive from armor, weapons and tools in the smithing table!
G+ | Sculk Weapons and Tools
Sculk themed equipment with Sculk based powers [GearPlus]
Escape From Tarkraft Mod
Modern weapons. Tactical gear. A high-stakes multiplayer extraction shooter inside Minecraft.
aosheep's Infinity Gauntlet
Adds the Infinity Gauntlet, tools, weapons, and abilities.
Stackraft
Compress farm items like sugarcane, gunpowder, and more to save space. Works with the new Auto Crafters. Perfect for managing large farms and keeping your inventory organized.
Elemental Attack Damage Compat For Iron's Spells and Spellbooks
A simple mod that adds an attack attribute for weapons for each of Iron's Spells and Spellbooks' elements, and keeps default weapon attributes from being overwritten when adding a new attribute (can be disabled for flexibility). My first completed mod.
Dong Dong's random creation
magic and energy,new ore,new dimension,new tool and weapon type.
Chalie's True Weaponry
A NEW MEGA UPDATE That Adds +100 Unique and Vanilla-Like Equipment; - New Playstyles - New Sets of Weapons/Tools - Unique and Powerful Weapons - Progression-Like Weapons
Point Blank Pillagers
Replaces Pillagers' crossbows with guns from the Vic's Point Blank mod.
Military NPC and unique weapons
This mod adds two unique military NPCs, each with their own new weapons and distinct mechanics, offering fresh combat challenges and gameplay variety.

Gambler's Fallacy
Slot machine, gambling, and a gambling weapon
Rhyme PVZ
This is an impressive PVZ module which will include most of the plants and zombies from PVZ 1 and PVZ 2, with new mechanics and gameplay.
No Mace
A datapack that deletes the mace and heavy core. Created for people that sees this weapon as overpowered.
Myths and Magic (Centimental)
This mod is specifically created for the Centimental^2 SMP. It adds unique weapons, armor, and mobs to Minecraft
Klsts' Monsters
Adds some monsters and mechanics to increase difficulty

PPG's Runic Weaponry
Epic relic weapons + a combat-oriented magic system!
Pika PvP
PikaPvP shows a customizable Target HUD with key PvP stats (HP, distance/ping/LOS, weapon, armor, offhand, effects). It helps you react faster in fights and works anywhere since it’s client-side.
Parry Shields
Adds new shield mechanics focused on parrying.
Weaponsmith Trades Maces!
A simple mod that adds the Mace to Master Weaponsmith trades.