-Buffer Tube Milling File (intended to shave down the best of an AR-10 Buffer tube so that the charging deal with can very clear on some upper/reduce mixtures) The bottom with the Ghost Gunner three is empty. There isn't a floor plate so chips will fall all the way via. https://ghost-gunner-395665.wizzardsblog.com/32890574/the-best-side-of-ghost-gunner-3