.45 ACP/Auto caliber; Inverted, Serrated Rib, Forward cocking serrations give solid purchase for press-checks; Traditional Cut, The traditional cut keeps the lines of the traditional 1911 slide with a dustcover swoop; Tactical Hammer, The skeletonized hammer helps to reduce weight and maintains the clean look of the pistol; Long K-Style Trigger, The long K-style trigger is a twist on the standard three hole trigger that looks like a 'K'; Square Butt Profile, The standard square butt profile for those who prefer a traditional look; Fiber Optic front sight / Adjustable rear sight