This project was created using Unity 2019.3.6f, with Animation Rigging 0.2.6 preview. The character used is "Vanguard" from Adobe Mixamo and the idle animation is "Rifle standing idle", also from ...
Full body Auto Rig Setup for Humanoïd/Generic on any character model in few click Animation/Timeline helper to handle better animating experience and avoid "Bidirectional Motion Transfer" needs.