WHAT DOES RUGER P89 FOR SALE MEAN?

For sale can be a Federal Arms Corporation of The usa 9mm threaded P89 barrel. I bought this a several years in the past and put in it but I don't Feel I ever put one spherical by it.I just paid $three hundred for the blue P85 in holster worn issue and truly feel it absolutely was a fair offer, even as a Ruger junkie I have a tough time observing P