RUGER SR45 FOR SALE - AN OVERVIEW

For sale is a Federal Arms Company of The us 9mm threaded P89 barrel. I purchased this a several years in the past and set up it but I don't Believe I at any time place only one spherical by it.I might use Glock branded magazines rather than the other copies. Many others are available for instance Magpul. You might attempt some and find out yoursel