This thread brings back memories. Back in the early-70s, MN had a similar law. I was home on leave before going over to start my tour in Vietnam. Went to the Coast-to-Coast hardware that my father's friend owned. The lady at the till would not sell me any .22 rounds, as she knew I was not 21 yet. That caliber could be used in handguns and one had to be 21 in order to purchase it. I went home empty-handed and pa went ballistic when he heard why. I got the rounds that I wanted and my father went on to contact our state representatives when I left for The Games in S.E. Asia. These foolish rules have been around for decades.

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GA Carry member
Vietnam Vet