It's obvious that someone made an error, they received more free membership requests than they anticipated, or the full year free membership was for a limited time.
The magazine has not been a part of the free trial offer for several days now. An option to sign up for a full membership at a discounted rate is available now.
When I signed up two weeks ago, I was not given a magazine option.
I have since received a request for payment to activate my membership and my choice of a magazine. I shredded it. I have not received any correspondence from the NRA for months, until I signed up for this.
But I am like a green olive tree in the house of God: I trust in the mercy of God for ever and ever. Psalm 52:8