PROOF carbon fiber Ascension stock (monte carlo style).PROOF patented carbon fiber match grade barrel. Right handed Zermatt TI3 (titanium) action. Extreme-accuracy bedding. TriggerTech Trigger. Sub 1/2 MOA accuracy guarantee. Lots of companies make sub-MOA claims, but Proof Research proves it by testing every rifle we sell using the Oehler 85 Professional Ballistics Lab System, and include the results with each rifle.