For sale is often a Federal Arms Corporation of America 9mm threaded P89 barrel. I purchased this a couple of years ago and mounted it but I don't Feel I at any time place just one spherical by it. oil on everyhting else. Once i shipped mine to Ruger for https://ruger-p89-for-sale47892.amoblog.com/not-known-factual-statements-about-ruger-shotguns-54075662