Recently we had the Jim Zumbo incident as a new fact of life in our internet connected culture. The rifle that was involved in his article was the AR15 and the opinion that got Jim laid off was that they are not hunting rifles. Jim Zumbo was testing an artillery round by the old cartoon method of hitting it on the head with a hammer. What he did not know is that the common military caliber 5.56 or .223 in AR15 had been fully adopted by varmint hunters. Additionally, in the last 6 years, multiple alternative calibers for the AR15...