This used (factory rebuilt) Glock 19 Gen 5 (PR19555MOSFS) is a semi-automatic pistol which fires the 9mm round. It has a 4" barrel and matte black finish. This includes 3 15-round magazines, optic mount kit, full factory warranty (excluding cosmetic issues), 3 backstraps, mag loader, cleaning kit, hardcase, lock and manual. This model is optics ready.