History of WWI Primer 070: Japanese Nambu Type A Modified Documentary

Published on February 13, 2018
Duration: 47:29

This documentary explores the Japanese Nambu Type A Modified pistol, often called the 'Papa Nambu.' It details Kijiro Nambu's design legacy, early prototypes, and the pistol's modern features for its era, including its short recoil action and 8x22mm Nambu cartridge. The video contrasts the 'Grandpa' and 'Papa' Nambu variants, discusses markings, field stripping, and concludes with range testing and the pistol's eventual adoption by the Navy and impact of the Great Kanto Earthquake.

Quick Summary

The Japanese Nambu Type A Modified pistol, known as the 'Papa Nambu,' features a 9-inch length, 2.21 lbs weight, and an 8-round 8x22mm Nambu magazine. Its design by Kijiro Nambu emphasized efficiency and used a short recoil, tipping block action.

Chapters

  1. 00:00Introduction: Papa Nambu Specs
  2. 01:01Kijiro Nambu's Legacy
  3. 01:50Early Development & Prototypes
  4. 03:10Market Context & Design Features
  5. 05:38Locking Mechanism & Cartridge
  6. 06:58The 'Grandpa' Nambu (Type A)
  7. 08:44The 'Papa' Nambu (Modified Type A)
  8. 09:44Markings and Field Stripping
  9. 15:39Range Testing and Ergonomics
  10. 21:44Navy Adoption & TGE Production
  11. 23:38The 'Baby' Nambu & Earthquake Impact

Frequently Asked Questions

What are the key specifications of the Japanese Nambu Type A Modified pistol?

The 'Papa Nambu' has an overall length of 9 inches, weighs 2.21 lbs (1kg), and uses an 8-round detachable box magazine chambered in 8x22mm Nambu ammunition.

Who designed the Nambu pistol series and what was his influence?

Kijiro Nambu, often called the 'Japanese John Moses Browning,' designed the Nambu pistols. He was a significant figure in Japanese firearms design, influencing at least 11 major military arms, including the Arisaka Type 38 rifle.

How does the Nambu pistol's locking mechanism work?

The Nambu utilizes a short recoil action where the barrel and bolt recoil together briefly. A tipping locking block then rotates downward, unlocking the bolt for extraction and ejection.

What distinguishes the 'Papa Nambu' (Modified Type A) from the original 'Grandpa Nambu' (Type A)?

The 'Papa Nambu' typically features a larger trigger guard, a swiveling lanyard loop, and an aluminum magazine base, while the 'Grandpa Nambu' has a smaller trigger guard, wood magazine base, and a slot for a shoulder stock.

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