For sale is a Federal Arms Corporation of The us 9mm threaded P89 barrel. I bought this a few years back and put in it but I don't think I at any time put only one round by it. If you experienced a large pre-existing shop of magazines, it would https://ruger-shotguns69803.gynoblog.com/31460459/the-fact-about-ruger-sr45-for-sale-that-no-one-is-suggesting