4.0.28 for NeoForge 1.21.1 is a release file of the Minecraft mod Silent Gear for NeoForge, made for Minecraft 1.21, 1.21.1. It was published on August 22, 2025 and is 2.7 MB in size. For the full description, screenshots and every other version, visit the Silent Gear mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
