The Model 1911 R1 Enhanced is a clear competitive standout. Its long list of accuracy-enhancing features includes adjustable rear sight with red fiber-optic front sight and anodized aluminum match trigger. Front and rear slide serrations, flat-checkered mainspring housing and custom grips promote sure handling. The Enhanced line of 1911s fills a lot needs with 9mm, threaded barrel, Crimson Trace Laser, stainless finish, and now double stack.