I agree with letting her decide. She would be more likely to carry it more.
If there is a place that rents firearms, go and let her try some.
Some stores will allow dry fire on some of their display models too.
(As a side note, things I bought for her, she does not use. You know, the teddy, the high heels, the maid's costume.)
"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."
Life Member NRA
Life Member NAHC