While I don't represent any gun store, this isn't a question that can be answered online. You should go into a store and if there is a knowledgable clerk there, they should be able to help you decide as a family what the best fit is. Places that allow you to rent firearms to use at their ranges are great choices for first-timers and don't be afraid to shop around because some places will not be helpful.
Rifle,shot gun,pistol?
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