-Buffer Tube Milling File (meant to shave down the highest of the AR-ten Buffer tube so which the charging handle can clear on some upper/lower combos) After milling the non-receiver block over the Ghost Gunner 3, your new AR-00 receiver is coupled with a decreased-lessen and buffer tower (available for https://claytonzrgua.bloguerosa.com/31981568/the-smart-trick-of-ghost-gunner-3-that-no-one-is-discussing