You are referring to your right to bear arms, and whether by virtue of their failure to understand the law your rights were violated. While you do have a right to bear arms, that right does not extend to forcing a retailer to sell arms to you.
Unfortunately we are not able to review documents via JA per JA rules.
Is ignorance of the law a valid defense on there issues....
It would seem to me when you have minimum wage employees who "going by the law" they should know the law.
Attorney
Negotiate, Draft, and Review many complex commercial agreements each year.