Keltec RDB Bullpup Rifle 5 56 223 Semi Auto LIVE FIRE at the Range

The Kel-Tec RDB is a 5.56×45mm NATO bullpup type semi-automatic rifle, manufactured by Kel-Tec Industries of Florida. It uses a rotary bolt with a spring loaded ejector and an extractor facing down, ejecting spent shell casings downward, allowing ambidextrous use.