A new 1911A1 design from Rock Island Armory is known as the TAC Ultra Full Size chambered in .45 ACP. The TAC Ultra FS features a Dovetail Fiber Optic Front Sight paired with a LPA MPS-1 Type Adjustable Rear Sight. This steel frame and slide feature a parkerized finish and the slide features aggressive cocking serrations. This model also features a picatinny rail which will allow you to mount lights lasers and any other rail mounted accessory. With an extended beavertail safety and G-10 grips enhance the look and feel of the firearm.Specifications: Caliber: 45 Auto Capacity: 8 Rounds Barrel Length: 5" Full-Size frame Parkerized finish Full-length guide rod Full dust cover Dovetail-mounted Fiber-Optic front sight LPA MPS1-Type adjustable rear sight Wide angled front & rear slide serrations Black/Gray textured G10 grips Ambidextrous safety OAL: 8.75" Traditional 70 series design with tactical upgrades Crisp 4-6 lb. factory trigger Full-length under-picatinny tactical rail Extended Beavertail Combat hammer Combat trigger with adjustable over travel stop Built to true Series 70 design Semi-auto recoil operated Built using 4140 Ordnance steel & engineered using the latest CNC machines Hand-fitted & confirmed to meet strict tolerance & quality requirements in tightness smoothness including overall look & feel 4140 steel frame & slide Button rifled barrel