For sale is usually a Federal Arms Company of The usa 9mm threaded P89 barrel. I bought this a number of years in the past and set up it but I do not Imagine I ever put just one spherical by it. oil on everyhting else. After i shipped mine https://ruger-shotguns67789.newbigblog.com/38197726/5-easy-facts-about-ruger-shotguns-described