The Guardian is built on a steel, officer length, standard width frame with undercut trigger guard. The grip includes a checkered mainspring housing to provide a sure grip. The controls are an STI International single sided thumb safety and high-rise beavertail grip safety. The slide features traditional 1911 styling with rear cocking serrations, and the barrel is 3.9", fully supported and ramped. This excellent firearm comes standard with adjustable "Novak" style white dot rear sight (3 dot), an STI commander hammer, patented STI trigger system, and STI sear and disconnector for smooth, reliable function. The Guardian has a stainless steel slide with polished sides and a blued frame. .45ACP