While looking for the official verbiage for private party gun sales I stumbled across this and found it interesting.
Yes, they could choose to fire you if they searched your vehicle and found a gun but it looks like you could have a significant case for legal action.
When I park my vehicle in the employee lot and leave my firearm locked out of sight in the vehicle, can my employer search my car?
If you own your car and you hold a current weapons carry license, your employer cannot search the vehicle without reason. If your car belongs to your employer's fleet, however, you do not have full control over searches and must speak directly with your employer.
https://georgia.gov/popular-topic/gun-laws
Yes, they could choose to fire you if they searched your vehicle and found a gun but it looks like you could have a significant case for legal action.
When I park my vehicle in the employee lot and leave my firearm locked out of sight in the vehicle, can my employer search my car?
If you own your car and you hold a current weapons carry license, your employer cannot search the vehicle without reason. If your car belongs to your employer's fleet, however, you do not have full control over searches and must speak directly with your employer.
https://georgia.gov/popular-topic/gun-laws