Here are the change logs

1. Fixed and updated Translations of other languages

2. Added Vietnamese Translations Thanks CM

3. Fixed AKs Back Opener Glitched Models

4. Fixed Gk57s Floating default muzzle

5. Texture improvements and other bug fixes

6. Updated to 1.20.1 this version now requires Mrcrayfish gun mod Unofficial version 1.20.1 u will find it here https://www.curseforge.com/minecraft/mc-mods/mrcrayfishs-gun-mod-unofficial/files/4958084