Have a full mesh and separate parts
Video: https://youtu.be/56ncW-lNXRA
6 UV set 4096x4096
In the model, it is desirable to use a shader with a two-sided display of polygons on the material of clothing
Character without weapons:
Faces: 31789
Vertex: 35197
Tris: 63092
Character with weapon:
Faces: 38589
Vertex: 41893
Tris: 76300
Weapon:
Faces: 6800
Vertex: 6696
Tris: 13208