When you take a members gun by force, it automatically drops their loyalty a level. 

Your loyalty to the crew does not appear anywhere, nor can anyone know it, it is 100% private.  Your loyalty contributes a fair amount to your crew leaders bonuses, or removes them based upon the setting.  If your leader violently disarms you, but you wish to remain loyal, you will have to set your reset loyalty again.

Surrendering your gun does not change the loyalty setting.

This change will go live shortly.