-Buffer Tube Milling File (intended to shave down the best of the AR-10 Buffer tube so which the charging tackle can distinct on some higher/reduce combinations) I’ve engraved BRN-4 416 lowers to imitate the HK 416 logos. With more than enough passes, a fiber laser can do deep engraving likewise https://ghostgunner3forsale66776.59bloggers.com/33290996/the-smart-trick-of-ghost-gunner-3-that-no-one-is-discussing