Ever Wonder What 100 Year Old Ammo Looks Like?

Published on September 14, 2025
Duration: 0:51

This video explores 100-year-old ammunition, specifically 1917-dated .45 ACP Ball cartridges from Remington. It highlights the use of cupro-nickel jackets and a case crimp designed to prevent bullet setback in early semi-automatic firearms. The content offers a glimpse into historical ammunition manufacturing and its technical considerations.

Quick Summary

1917 .45 ACP ammunition featured distinct design elements like cupro-nickel jacketed bullets and a case crimp. The crimp was essential for preventing bullet setback, a common issue with early semi-automatic firearms where repeated chambering could push the bullet deeper into the case, affecting reliability.

Chapters

  1. 00:00Introduction: Oldest Ammunition Inquiry
  2. 00:18Identifying 1917 Remington .45 Ball Ammo
  3. 00:32Technical Features: Cupro-Nickel & Case Crimp

Frequently Asked Questions

What is unique about 1917 .45 ACP ammunition?

1917 .45 ACP ammunition, specifically the government-issue Remington rounds, featured bullets with cupro-nickel jackets and a case crimp. This crimp was crucial for preventing bullet setback in early semi-automatic firearms.

Why was a case crimp used on 1917 .45 ACP cartridges?

The case crimp on 1917 .45 ACP cartridges was a design feature to prevent bullet setback. In early semi-automatic pistols, repeated chambering could push the bullet deeper into the case, increasing pressure and potentially causing malfunctions.

What material was used for the bullet jackets in 1917 .45 ACP ammo?

The bullet jackets for the 1917 .45 ACP ammunition discussed were made of cupro-nickel. This alloy, a mix of copper and nickel, was common for bullet jackets before the widespread use of gilding metal in later years.

Where was the vintage ammunition shown in the video stored?

The vintage ammunition, including the 1917 Remington .45 ACP cartridges, was shown being stored and examined within the Miculek Gun Room, highlighting its extensive collection.

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