Always verify the legitimacy of individuals or organizations before sharing personal info or making payments. Do your research. RSA is not responsible for losses or damages caused by scams or fraudulent activity.
For Repo try Ken van Patten (vanpatten3376@comcast.net), Dixie Gun Works and Numrich Gun Parts. For Original you should try Jim Shaffer, 412-672-6830 (11am-7pm EST). He can be pricy, so how bad do you want it?