-Buffer Tube Milling File (meant to shave down the top of the AR-10 Buffer tube so that the charging handle can very clear on some upper/lessen combos) The engraving took a good deal lengthier than anticipated and which was with 80% on the engraving bit just spinning in the air https://ghost-gunner-3-for-sale40912.onesmablog.com/ghost-gunner-things-to-know-before-you-buy-73380379