Armaspec XPDW Stock Gen 2, For .223/5.56 Rifles or SBR, Ambidextrous 5 Position Stock Adjustment, QD Attachment, Attaches to Mil-Spec Buffer Tube, Black Finish ARM235-BLK High quality components and precise manufacturing make Armaspec parts ideal for maintaining and upgrading firearms. The durability" reliability and excellent build quality of these parts will ensure years of service you can count on.