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Gunsmith Lib

Extensions and helper for tinkering with TaCZ.
by chloe_koopa
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581,988 downloads
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Updated Jul 6, 2026
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Addons API and Library Armor, Tools, and Weapons Energy

Description (for MC1.20.1 and MC1.21.1 mod version >= 6.0.0):

This mod is an extension and code library for working with Timeless and Classics: Zero.

This mod has no functionalities for end users (players) on itself.

Note: The modular version become the only 1.21.1 version since 6.0.0. The full version does not exist anymore since then.

Description (for MC 1.21.1 with mod version < 6.0.0)

GunsmithLib for MC1.21.1 embeds MUKSC's TaCZ unofficial port and can be seen as an unofficial distro of the TaCZ mod. (Meaning that you don't need to download TaCZ and install on your client)

This version makes some patches to make gunpacks made for TaCZ on MC1.20.1 work out of the box on GunsmithLib MC1.21.

The "modular" version for GunsmithLib 1.21.1 does not contain TaCZ itself. You need to install 1.21.1 version of TaCZ separately to make it work.

THIS IS AN UNOFFICIAL PORT/FORK OF TACZ WITH NO SUPPORT FROM THE ORIGINAL TACZ DEV TEAM, DON'T REPORT ISSUES OF THIS VERSION TO THE ORIGINAL TACZ DEV TEAM.

Current functionalities:

  • (5.2+) Hit Particle system and Ricochet system.
  • (4.13+) Gun ammo variant system.
  • (4.9+) Airburst and Proximity Fuse system.
  • (4.6+) Rangefinding API
  • (4.5+) Ability for gunpack authors to hide heat bar HUD.
  • (4.4+) Rangefinding API
  • (4.3+) Mob effects on bullets and (4.7+) spawn area effect clouds when explosive ammo explodes.
  • (4.2+) Attribute modifiers on gun/attachments
  • (3.5+) Fire control system (guided missie & smart pistol)
  • (3.4+) Gun shield (on guns or attachments).
  • Chargeable energy weapon extension for gunpacks (making your gun chargeable with Forge Energy)
  • Attributes to modify performance of guns.
  • Loot functions to initialize gun/ammo/attachment info (NBT)
  • Loot conditions that return whether a gun/ammo/attachment id is installed (exists in the current gun index registry)
  • Forge events and Java helper methods for other TaCZ addon mod developers.

Known Issues:

  • Some newest functionalities, like gun variant and airburst rangefinding, do not support reverse proxy servers (BungeeCord, Velocity etc.)

Documentation for gunpack authors:

https://github.com/ChloePrime/GunsmithLib/blob/master/docs/gunpack_extensions.md

 

Credits:

Thanks TacZ:Arcana project for giving me the select wheel rendering code~

gunsmithlib-neoforge-1.21.1-tacz1.1.8-6.0.4.jar
MC Client, 1.21.1, NeoForge, Server
Release 2026-07-04 Get
gunsmithlib-forge-1.20.1-tacz1.1.8-6.1.0.jar
MC Client, 1.20.1, Forge, NeoForge, Server
Release 2026-06-13 Get
gunsmithlib-5.9.0+mc1.20.1+tacz1.1.7.jar
MC Client, 1.20.1, Forge, NeoForge, Server
Alpha 2026-03-27 Get
gunsmithlib-1.21.1-5.1.2-neoforge-modular.jar
MC Client, 1.21.1, NeoForge, Server
Beta 2026-01-01 Get
gunsmithlib-4.12.0+mc1.20.1+tacz1.1.6.jar
MC Client, NeoForge, 1.20.1, Forge, Server
Beta 2025-11-08 Get

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