I'm sure this topic has been brought up before. But I find it odd that if you want to by a FN factory PS90 optic alone it cost $599. Yet there is no diff in price between a PS90 that has the factory optic and one that has the weaver style rail. Shouldn't the PS90 with the rail be at least a couple hundred less? Maybe they are and my dealer is not telling me the truth or maybe we'll buy them no matter what and FN knows it.