70 Year Old Mystery ❓️Unboxing 20 mm M3 Breechblock Slide Plate #unboxing #surplus #army #military

Published on September 12, 2024
Duration: 0:51

This guide details the unboxing and identification of a 20mm M3 Breechblock Slide Plate, a vintage military surplus part. The process involves careful unwrapping of aged packaging, revealing a cosmoline-coated component. Expert identification is confirmed through ordnance stamps and technical diagrams, highlighting the part's condition and historical context.

Quick Summary

The 20mm M3 Breechblock Slide Plate is a component for the 20mm M24/M3 gun system, often found as military surplus preserved with cosmoline. The 'flaming bomb' symbol signifies its US Army Ordnance Department origin, crucial for authentication.

Chapters

  1. 00:00Packaging Overview
  2. 00:09Unboxing Process
  3. 00:18Revealing the Part
  4. 00:26Technical Identification
  5. 00:28Detailed Inspection

Frequently Asked Questions

What is a 20mm M3 Breechblock Slide Plate?

The 20mm M3 Breechblock Slide Plate is a component for the 20mm M24/M3 gun system. This video showcases an unboxing of a surplus part, preserved with cosmoline and bearing US Army Ordnance marks.

How are vintage military surplus parts typically preserved?

Vintage military surplus parts, like the 20mm M3 Breechblock Slide Plate shown, are often preserved using cosmoline. This heavy, petroleum-based grease provides long-term protection against rust and corrosion during storage.

What does the 'flaming bomb' symbol signify on military parts?

The 'flaming bomb' symbol is a historical mark of the US Army Ordnance Department. Its presence on a part, such as the 20mm M3 Breechblock Slide Plate, authenticates it as a genuine US military component.

What is the significance of cosmoline on surplus firearm components?

Cosmoline is a preservative coating applied to surplus firearm components to prevent rust and degradation during long-term storage. It indicates the part has likely been in storage for decades and requires careful cleaning before use or display.

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