I would call around and try to find somewhere that would let you rent a few guns while at the range. One of the employees there would be better able to help you find something that fits you and you would feel comfortable shooting.
Welcome from AZ! Long-time New Englander and part-time Cape Coddah here. My condolences on putting up with the abusive MA laws, but you get extra credit for getting your Class A.
What have you shot, what do you like so far, how do you intend to carry the piece, and what's your budget? Answers to these can help us make good suggestions for you, but of course the choice is ultimately up to you.
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