SN: 54H035761. Modern production, .45 ACP with a 4.25″ barrel. Bore is excellent. Compact steel frame 1911 style pistol with a SIG ROMEO-X Compact red dot optic, co-witnessed day/night sights, ambidextrous manual thumb-safety, accessory rail, G10 grips, and coyote PVD finish. Overall condition is like new. Includes an additional magazine, and original case.