If there was a real person at Gun broker I would ask: Why is your "customer service" so bad? Why is it that you let your vendors rip of people like me? Why is it if I complain you just "block" me off? I spent well over tens of thousands of dollars on your site and at the first problem (over $44.95) get insulted by you and your protected bad vendor? That vendor Karen Jenkins "morgantrailandgunstuff", and Gun Broker are just pain wrong and don't care, once they got your money..
Be very, very careful. Gun Broker will provide you no true support if you get ripped off. (maybe some lip service for a while, then they will cut you off and claim "successfully resolved, when it isn't). They set up "rules" for their "feedback" and let 'mass sellers' violate them along with those vendors leaving personal attacks on people that would dare question them being attacked. Their "rules" are whatever GB feels like at the time. Stick to working with people you know. if there is an item