-Buffer Tube Milling File (intended to shave down the highest of an AR-10 Buffer tube so which the charging handle can clear on some upper/lessen mixtures) I’ve engraved BRN-four 416 lowers to mimic the HK 416 logos. With more than enough passes, a fiber laser can do deep engraving at https://ghostgunnerforsale41595.bloggazza.com/31957477/an-unbiased-view-of-ghost-gunner-3