In my opinion, it would depend on the kids. If they were undisciplined and headstrong there is a potential problem. If they are level-headed, responsible and have been taught gun safety then the risk is much reduced. My 11-year-old granddaughter has been taught safe gun handling since she was old enough to recognize a gun. She enjoys shooting and has her own rifle and target pistol. I would trust her more in such a situation than I would a lot of adults - perhaps most adults.
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May I walk in beauty.