A couple years ago during the post-Newtown panic you couldn’t find a single round of 5.56 NATO ammo to save your life. Rimfire was just as scarce. But the one thing that seemed to be in stock no matter what was the plethora of pistol caliber cartridges. It seems like Americans have taken a more practical approach to caliber choice these days, opting for a firearm that will be easy to feed no matter the political climate. That has sparked a bit of a revolution in the firearms market, from the new pistol caliber SMGs like the MPX and Scorpion to a renaissance of the older MP5 design. Special Interest Arms has been in this market for years, and their latest creation is the “Novem” bolt action rifle chambered in 9mm . . .