They would just turn them in along with their steak knives.
And cars
Who needs weapons and automobiles when you can just scran a load of magic mushrooms, colour yourself with woad and roam the countryside biting peoples throats out, as is tradition.
Never forget that long before you existed we saw off the Vikings, the Romans and the Irish. Not all of us are fucking fags, though we all have teeth that can eat an apple through a chain link fence.
P.S. Our Marines are all Commando’s, not 80% POG’s.