body armor and kevlar vests are not illegal in the U.S.
If they were, why doesn't the government go bust up anti-terrorist group fanatics in the Mountains running around like rambo's next-of-kin? I know the stuff's not illegal because I know someone with FULL body armor. Platemail, kevlar, anti-heat armor as well. :Q

Up until a few years ago, he used to live next to me. He's also got two black-powder pistols from the CivilWar. Along with those, he keeps an AK-47 in the gun cabinet next to his bed. It's got a full stock with the pistol grip carved into it. So, it may feel like a pistol grip, but technically it's not. With that said, the AK having the special suppressor muzzle cap is still legal.
--and
all of his weapons are registered. That's the only thing I don't like about the whole ordeal. If the gov. goes looking for guns, the registered owners are the first to lose 'em --which means him too.
But, yes, body armor, Kevlar, plate, etc. is legal.
Viper,
Did you ever meet Isaac when he lived next door? Were you around when he lived here?