A guy walks into a building and finds a gun, his duo has ammo for the gun, who should get the gun? The guy who found the gun first or the guy who had previously found ammo for the gun?

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My duo walks into this this little cabin near a camp and tells me that he's found a blaze on the table. I walk into the building and tell him that I've had 308. rounds and have been looking for a blaze for a while now; therefore, I pick up the gun. He tells me that he found it first so I should give it back and if I was looking for a blaze I should have told him beforehand (I guess to validate him giving it to me if he found it ). Do you think he has a valid point and if so can you explain wh...