The Armaspec XPDW Gen2 stock is an aluminum 5 position stock with hardened steel rods. It incorporates a low profile lightweight aluminum latch carrier with a steel lock engagement point. The stock can be rapidly deployed using the ratcheting system or gravity by pointing the rifle up while disengaging the lock. The XPDW is designed to mount directly on your standard mil-spec buffer tube with no other modifications. It also features a QD butt attachment point for your sling. FeaturesAmbidextrous 5-position stock adjustmentAttaches directly to Mil-Spec buffer tube: No special buffer or buffer tube neededQD sling attachment point