For sale is Keltec RDB Defender 5.56 Bullpup. As short as a 10.5 AR but with a 16 inch barrel. Has a 20 position gas short stroke gas system perfect for tuning to either a specific type of ammunition or suppressor use. Comes with all original packaging, sling, and a 20-round magazine. This is the model with the aluminum handguard and lightweight barrel. Gun is completely ambidextrous, configurable for right or left handed shooters. Rounds eject downward. Very handy, great home defense or CQB rifle. Around 150 rounds down it with 0 malfunctions.