Minecraft Java 1.21 Mods
Browse 76 free mods for Minecraft Java 1.21 — popular picks include Streive's Weapons, Create Build Gun, EnchantSense.
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Streive's Weapons
Streive's Weapons mod adds diverse firearms with realistic mechanics and customization options to Minecraft. Craft, customize, and wield powerful guns for enhanced combat and exploration experiences.
Create Build Gun
A tool has been added to print blueprints in survival mode. Intended for modpack creation.
EnchantSense
Intelligent enchantment guidance directly in tooltips for all weapons, armor, and tools. Supports swords, mace, trident, spear, bows, and more.”
Nirsland's Additions
This mod adds fresh new mechanics and other cool things.
Aiden's Tech
A technological mod made for adding more technology to Minecraft, much like mods like Hbm's Nuclear Tech mod. This also includes firearms, such as the Mosin-Nagant, M16, and M1911.

Defcon
Defcon is a system which includes nuclear related weaponry and machines, as vanilla as possible.
TurboWarp SMP
Create-centered technology and automation modpack, adding tons of industrial and mechanical blocks, new frontiers, explosives, and weaponry
Ironpowder
Adds guns, equipment, armor and new gameplay to Vanilla Minecraft
Marlows Darkness Weapon
This plugin adds Marlow's darkness weapon from the Unstable Universe
ETHEREAL BLASTERS 2: ENGAGED AND REBORN
The Ethereal Blasters have returned with brand new mechanics, upgrades, and much, much more!
Mi Bombo
Mi Bombo adds modular multiblock missiles and aerial bombs to Minecraft. Assemble them and create powerful explosive weapons. The mod is compatible with Create, Create: Aeronautics, and Sable.
Amai's Custom Items (disconntinued)
Amai's Custom Items is plugin that provide you possibility to make Minecraft Custom Weapons
Kindling Age
Kindling Age enhances early survival with lightweight, vanilla-friendly mechanics that make the first days more deliberate without adding grind or hard gates.
Eternal Quests: RPG Overhaul
Dive into Eternal Quests: RPG Overhaul! One mod, endless adventure—epic weapons, powerful armour, and fierce foes await. Forge your path and become a legend!
FakeGun
This is a relatively friendly firearms plugin, featuring realistic ballistics, a variety of weapons, and simple purity. It includes a recipe book.
AeroMechanica
A high-performance Create and Aeronautics modpack. Fly custom steam-and-jet powered airships, build power grids, automate weapons, and enjoy a cozy immersive sky-exploration experience on 1.21.1 NeoForge!
MilitaryArsenal
A military weapons addon for Slimefun4 featuring advanced weaponry, ammunition systems, and coordinate-based bombardment capabilities.

Blackout Revival Tech Reborn
Technological weapons and armors
Flame Mace
A powerful fire themed mace weapon with passive fire resistance, regeneration in lava, and three ultimate abilities including air dash fire ring on hit and unstoppable lava damage.
Projectile Launchers
A somewhat vanilla friendly mod that adds guns that shoot minecraft projectiles.
A.B.E. Forgery
a mod adding powerful new weapons with unique effects
INeedMoreWeapons
This datapack adds 80+ weapons and crafts!
DonutSMP Auction Sniper
Automatically buys cheap Items on the Auction for Profit on DonutSMP
Razen's Tension Weaponary
New Tension based weapons to spice up minecraft combat
War of Valor: WW1 Mod
WWI (First World War) Mod. With customized 3D WWI Blocks, 3D Weapons and Uniforms. Along with other WW1 Themes such as trench life and a lot of barbed wire and sandbags. Along with a proning mechanic.
Windcharge tech & Dash weapons
This is a small project I made for a commission. Implements windcharge stop / reset from many ffas that run on 1.8, a stunslam scoreboard, and dashable weapons.
Crashy!
What if your house could become a weapon?

Matt's Modular Armory
Mod that aims to add modular tools, weapons and armor with custom upgrades

Electrified Energy Greatsword
Get the Powers of Thunder, Speed and Copper with this weapon!
Gun Legion
A firearms expansion for Robot Legion — steam-driven guns, turrets, powered armor, and a Gun Drone ally.
Syringe_mod
A potion and injection system module for Minecraft 1.21.1/NeoForge. The module establishes a complete production, loading, and usage process around the injection gun, portable medication kit, medication production station, and medication mixing station.
RPG PLUGIN
Create a highly detailed RPG-7 weapon mod. The weapon is based on a crossbow and fires explosive rockets instead of arrows. Rockets create a large explosion on impact, destroying nearby blocks
Void and Full
A necessary mod to bring the creatures, magic and weapons of the Void Gifted Server to players.

GlowSense
This mod provides real-time visual cues for combat, tools, and survival, highlighting the best weapon, tool, or food based on the situation to make gameplay more intuitive and responsive.

Block Weapons DataPacks
This DataPacks Add 8 Guns Better Experience Your Game
Happiness is a Warm Gun Mod (1.21.1, 1.20.1) – Wide Variety of Weapons
Happiness is a Warm Gun Mod is a decent firearms mod. It adds a wide variety of weapons (mostly fictional), including pistols, several rifles and submachine guns, shotguns, a sniper rifle, a grenade launcher, a minigun, a flamethrower, and more. The weapons are quite cool and well-crafted, each with unique shooting mechanics and ballistics. In […]