Rock Island Rock Ultra CCO Features High quality components and precise manufacturing make Rock Island firearms ideal for both new shooters and experienced gun owners. The durability reliability and excellent build quality will ensure years of service you can count on. Built using 4140 Ordnance steel and engineered using the latest CNC machines Rock Island Armory 1911s are hand-fitted and confirmed to meet strict tolerance and quality requirements in tightness smoothness and overall look and feel. The Rock Ultra CCO combines an Officer-grip Aluminum frame with a Commander-length slide. The shorter compact Officer-sized grip aids concealed carry and minimizes the chance of printing under a cover garment. It features a 4.25" barrel with penetrating impact and remarkably light recoil. Add a single stack beveled magwell with 10-round capacity Dovetail fiber optic front sight and LPA MPS1 type adjustable rear sight with a crisp 4- to 6-pound trigger and you have a well- balanced high velocity target pistol. The Rock Island Rock Ultra CCO includes a skeletonized hammer and trigger with adjustable over trave stop and is fitted with battle ready G10 grips and finished with a durable parkerized/anodized coating. Includes a drop in 22TCM-9R accessory barrel Built to drive original Armscor 22 TCM 9R cartridge to expand the load options for every target shooter. Rock Island Rock Ultra CCO Specifications Manufacturer: Armscor Manufacturer Part #: 56634 Model: Rock Ultra CCO Combo Action: Semi-automatic Type: 1911 Size: Compact Caliber: 22 TCM9R Barrel Length: 4.2 Color: Black Grips: G10 Capacity: 8 Rounds Accessories: 1 Mag Sights: Fiber Optic Front/Adjustable Rear Frame Material: Steel Finish: Matte