Blender attatched weapon does not follow armature in unity

Hi all, my second post here... I promise that soon I will start helping others as those who have helped myself.

I have a character model I created in blender. This character model has attached to his hands (via IK constraints) a weapon that is itself an external model (that I imported into the same blender project as my character). I have 3 1-frame animations (aim up, aim down, aim straight) that each work fine in Blender.

I've imported my blender character and his animations into unity. The...

Blender attatched weapon does not follow armature in unity