Description Armscor M1911-A1 Rock 45 Auto (ACP) 4.25in Patriot Brown Cerakote Pistol - 8+1 Rounds - The Rock Mid-Size is built in traditional classic 70 series design and delivered with top quality production and engineering standards. It's chambered in .45ACP with a 4.25in 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 standard in the Rock series. Finished with a tough, Patriot Brown Cerakote and comes with G10 Desert Storm Grips. True to all Rock Island 1911s, it comes with a crisp factory 4- to 6lb trigger, making it a great experience right out of the box.