-Buffer Tube Milling File (intended to shave down the top of the AR-10 Buffer tube so that the charging manage can very clear on some higher/lower combos) The bottom with the Ghost Gunner 3 is empty. There is absolutely no ground plate so chips will fall all of the way https://ghostgunnerforsale92333.shotblogs.com/how-ghost-gunner-can-save-you-time-stress-and-money-46792680