Making 80 year old 20mm Ammo look BRAND NEW again #restoration #history #military #bullet

Published on February 29, 2024
Duration: 0:58

This guide details the process of restoring an 80-year-old 20mm MK-2 round to a like-new condition. It involves using a bench grinder for initial corrosion removal, followed by high-speed buffing to achieve a mirror finish. The process emphasizes safety and proper tool usage for metal restoration.

Quick Summary

Restore vintage 20mm MK-2 ammunition from 1943 by first using a bench grinder to remove heavy corrosion and pitting. Then, employ a high-speed buffing wheel with polishing compound to achieve a mirror-like finish on the casing and projectile. Ensure all safety precautions are followed, and the ammunition is inert before starting.

Chapters

  1. 00:00Initial Condition Assessment
  2. 00:06Surface Preparation and Grinding
  3. 00:20High-Speed Polishing
  4. 00:40Final Detailing and Inspection

Frequently Asked Questions

What tools are needed to restore old 20mm ammunition?

Restoring old 20mm ammunition typically requires a bench grinder with an abrasive wheel for initial corrosion removal and a high-speed buffing wheel with polishing compound for achieving a mirror finish. Safety gear like heavy gloves and eye protection are also essential.

How can I identify the specifics of a vintage 20mm round?

Vintage 20mm rounds can be identified by their headstamp, which usually contains information such as the caliber (e.g., '20MM-MK-2'), the year of manufacture (e.g., '1943'), and lot numbers. Some rounds may also have painted projectile tips indicating their type.

What is the primary purpose of the 20mm MK-2 cartridge?

The 20mm MK-2 cartridge is classified as Anti-Aircraft / Autocannon Ammunition. These rounds were historically used in military applications for engaging aerial targets and in autocannon systems.

What safety precautions should be taken when restoring ammunition?

Crucially, ensure the ammunition is inert and demilitarized before restoration. Always wear appropriate personal protective equipment, including safety glasses and heavy-duty gloves, when operating power tools and handling metal components.

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