Cannot parent weapon to hand of mixamo_fuse character

When I used Fuse to create a character that I want to use for a game.
Now I need to parent the gun model to the hand in unity but the model is only
1. Body
2. Bottom
3. Default
4. Eyes and
5.Shoe ... No arm ,no hand for me to parent the item (weapon) to?
Please see attached image for reference
Thanks for reading

 

Does the model have a skeleton. You could parent the gun model under the wrist bone.

 

You need to tell Fuse to contact the Mixamo.com website to rig your model (add a skeleton). In your screenshot, colinRigWithWalk doesn't have a skeleton. After you rig it, you should see a new skeleton hierarchy as a child GameObject.