Is it true that you can buy a gun at 18 in virginia at a gun show without a license ?

i have heard from a lot of virginia residents that you can buy a gun at 18 years old in virginia at a gun show without a license i also know a couple of people that have bought from gun shows, but is this true ?
Update: i think they said they got them from the private sellers at the gun shows and they said that there are a lot of private sellers in virginia gun shows
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