Photos By Ichiro NagataPull the pin and the Kel-Tec SU-16 easily breaks in half for storage or packing New is the keyword of the firearms industry. Prowl around the Shooting Hunting and Outdoor Trade Show, and you’ll notice every booth features a banner or placard heralding that company’s “new” offerings. Often the basic design has been around for years if not decades, and what’s new turns out to be only a different finish, a longer or shorter barrel, an additional chambering, etc. But what you see here does, I think, justify the title of “new.” The Kel-Tec SU-16 is a...