Actually the cooling off period is supposedly the time it takes for the DOJ to get a response from NICS if there is a hold on the back round check .Sort of like NICS OK to transfer after a hold in 3 days if no response . I've had that happen on a couple of customers with common names and or skeletons in the closet but no felonies
But that makes no sense since I can take a long gun home the same day, but not a handgun? Seems rather weird.