Hatsan Hercules 45 cal. A multi-shot big bore airgun that delivers 100 yard killing power! – Video by AirgunWebTV Please scroll down for more information about Hatsan Hercules 45 cal. It’s a great time to be an airgunner! Hatsan USA entered the big bore airgun market with there Carnivore line.  Not ever one to sit back and relax, they quickly began working on their next slash in the market.  Enter the Hatsan Hercules.  This dual