The Rock Standard FS 2-Tone is built in traditional 70-series design and delivered with our top quality production and engineering standards. This pistol is chambered in 45 ACP with a 5” button rifled barrel supported by a full length guide rod. Smooth-angled, snag-free style allows for quick draw in fast need situations. Includes a low profile angled rear sight along with skeletonized hammer and trigger with adjustable over travel stop and ambidextrous safety. Built in a 2-tone blasted nickel finish on the frame and parkerized finish on the slide offers a custom-design aspect and comes with checkered rubber grips. True to all Rock Island 1911s, the Rock Standard comes with a crisp, factory 1.36 kg - 1.81 kg trigger to give you a great experience right out of the box.