Unrealistically large weapons and empty textures

Excuse me for my bad english))
| Preparation |Hello everyone, i recently encountered a very interesting problem, in short, 3D models were made in Qubicle Voxel Editor at 200x32x64 - I wanted to try to make a mod on Kar98k from PUBG. 
| MCreator 1.7.4 [1.10.2] | as soon as the compilation was over, I ran into a strange problem, the weapon was unusually huge, and it did missing texture + it weapon strangely held in his hand.

Help the kettle)

Screenshots:

Voxel Editor

Size Settings

Weapon in hand

Weapon in hand [First Person]

Weapon in hand [First Person] #2

Dropped weapon