Describe the bug

The MP40 is invisible. Shows up in inventory, works and shoots but doesn't show up as a 3D model.
To Reproduce
Steps to reproduce the behaviour:

1. Install latest version 5.6 beta 8
2. Put MP40 in inventory

Expected behaviour

There should be a gun...

Screenshots

Versions (please complete the following information)

• Forge: Forge 1.12.2
• Flan's Mod: 5.6.beta8

Additional context

I believe this is a duplicate of #1108