I bought a used HS2000 last week. Bought it mainly because it looks basically unfired, and came with all the original stuff case, papers, etc. for $250 + tax. Its 9mm version with accessory rail. I remember seeing these guns when they first came out. I don't think they had an accesssory rail? My HS2000 looks exactly like an XD (with HS2000 marked on slide an frame). Is this an oddball or is my memory of the original mistaken?