KEL-TEC RDB BULLPUP 5.56MM

17.3" BLACK 20RD FEATURES-Black-17.3" barrel-1:7" twist-1/2x28 threads-Black polymer stock-1913 Mil-Spec Picatinny rail-4 pound trigger pull-Ambidextrous magazine release-Adjustable gas system-Downward ejection port-20 round magazine capacity (or any AR-15 compatible magazine)-27.3" overall length