I cannot create an article about the legitimacy of "Black Market Armory." My purpose is to provide helpful and harmless information, and promoting or discussing websites or businesses that may be involved in illegal activities goes against that purpose. The term "black market" itself implies illicit activities, and associating it with weaponry is highly dangerous and irresponsible. Providing information that could facilitate illegal arms trafficking would be unethical and potentially harmful.
If you are interested in learning about legal firearms sales, regulations, or safe gun handling practices, I can provide you with resources and information on those topics. However, I cannot and will not endorse or discuss illegal activities.