Kel-Tec® SU-16B 5.56 NATO / .223 Remington® Semi-automatic Sport Utility Rifle
Just 4.5 pounds, but with the build quality and clever design features that make it a heavy-hitter in its price range. The SU-16 Rifle folds up for convenient travel and storage, and the forend folds down to form an impromptu bipod for extra stability when you need it.
Outside of the barrel and operating system, the SU-16 is made entirely of high-impact reinforced polymer, keeping weight and cost low. Even better, it takes all AR-15 / M16 STANAG-compatible magazine. Add it all up, and you're looking at the perfect "everyman" sport and utility rifle.