I think that normally falls under the realm of merchandising. Volition has a forum devoted to merchandising and NARMS is the equivalent of the MSPA. You should be able to Google NARMS and get the website.
Equal rights for others does not mean fewer rights for you. It's not pie.
"I prefer someone who burns the flag and then wraps themselves up in the Constitution over someone who burns the Constitution and then wraps themselves up in the flag." -Molly Ivins
Never try to teach a pig to sing. It's a waste of your time and it really annoys the pig.