Spike's Tactical Lower, Color Filled, Semi-automatic, 223 Rem/556NATO, Black Finish, 6 Position Collapsible Stock, Mil-Spec Buffer Tube, ST-T2 Tungsten Heavy Buffer STLC200-SBS-CFS Spike's Tactical strives to build the highest quality products and offer them at the best possible price to the consumer. It doesn't matter if you are simply a gun enthusiast, a competitive 3 gun shooter or a military or law enforcement professional, Spike's Tactical rifles will serve you well and won't let you down when it counts.