STI Model Duty One 5.0, 9mm cal. auto pistol. Serial #NG17489. Excellent like new condition. Matte black finish is 98% and wonderful.  5” match grade barrel with ha s an excellent shiny bore. Adjustable rear combat sights with a front night sight. Action is butter smooth with a crisp skeletonized trigger. High rise beavertail safety with ambi-safety and railed frame.  Checkered slide and grip straps.  Extra STI parts include rear sight, thumb safety ,recoil spring, slide release and guide rod. Matching factory hardcase, paperwork and six magazines are also included. This unit will drive tacks!