The new Revolution� series 1911 pistols from SIGARMS� feature all stainless steel frame and slide machined to exacting tolerances and hand-fitted to insure reliability and performance. Like all SIGARMS products the new Revolution� contains only premium internal parts including a match grade barrel, hammer/sear set and trigger. The slide sports Novak� night sights. The frame features 25-line per inch checkering on the front strap and 20-line per inch on the mainspring housing and is complimented by a set of checkered custom wood grips. Both the frame and slide on the new Revolution� are de-horned making it ideal for full-size concealed carry. For safety the GSR features a beavertail grip safety with speed bump, extended thumb safety, firing pin safety and hammer intercept notch.