Cabot Guns took aerospace precision to the 1911 platform and built pistols collectors call the Rolls-Royce of the breed, from the billet-machined National Standard to the world’s only true left-handed model. Their crown jewel, the Big Bang Pistol Set carved from a 4.5-billion-year-old meteorite, shows just how far this Pennsylvania maker will go to redefine what a firearm can be.