Object scale and colliders do not always scale together properly.
The solution is the ability to handle collider scaling independent of their objects. The ability to edit colliders independent of object scale will provide greater flexibility in dealing with rigid bodies and colliders.
Hello. Sorry for the late reply.
Armory is known to exhibit unexpected physics behavior if any of its object scale transform values aren’t to a value of 1.0. Make sure to apply your object’s scale if you haven’t already to automatically recalculate your object’s scale to 1.0.
The hotkey in Blender to apply scale is: Ctrl+A → Scale.