I have used bolt, single shot, lever and semi-auto designs as a hunting rifle off and on for decades. My expereince is that the bolt action seems to be inherently more accurate out of the box. And there is a chance to make a relatively quick follow up shot if need be. The design of a bolt action has been around for well over 100 years. It lends itself to a strong, reliable and simple action. Positive control bolt actions such as the Mauser 98, Ruger 77, and Winchester 70's (Pre 1964 and Classic) are practically impossible to jam, though the push feed actions which are very popular are very reliable as well.