Enfield No5 MkI Jungle Carbine

Published on October 19, 2018
Duration: 24:46

The Enfield No5 MkI Jungle Carbine, a lighter variant of the No4 rifle, features a sub-19-inch barrel and flash hider. While effective at shorter ranges, it's known for a 'wandering zero' phenomenon due to barrel heating, potentially caused by the flash hider. Distinguishing authentic models requires checking for receiver lightning cuts and hollow bolt handles, as conversions from No4 rifles are common.

Quick Summary

The Enfield No5 MkI Jungle Carbine is known for a 'wandering zero' where accuracy shifts with barrel heat, potentially due to the flash hider. Authentic models have receiver lightning cuts and hollow bolt handles, distinguishing them from common No4 conversions.

Chapters

  1. 00:00Initial Shooting Demonstration
  2. 01:57History and Design Features
  3. 02:59Sighting System Explained
  4. 03:18Spotting Authentic Jungle Carbines
  5. 06:11The 'Wandering Zero' Phenomenon
  6. 09:16Ammunition Performance: PPU vs. Wolf
  7. 13:01Final Assessment & Fake Identification

Frequently Asked Questions

What are the key identifying features of an authentic Enfield No5 MkI Jungle Carbine?

Authentic No5 MkI Jungle Carbines have specific features like scalloped lightning cuts on the receiver, a hollowed-out bolt handle for weight reduction, and distinct British proof marks. These differentiate them from converted No4 rifles.

What is the 'wandering zero' phenomenon associated with the Jungle Carbine?

The 'wandering zero' refers to the point of impact shifting significantly as the rifle's barrel heats up during firing. This technical flaw is a known characteristic and a primary reason the rifle was phased out of service.

How does the sighting system on the Enfield No5 MkI Jungle Carbine work?

It features milled rear aperture sights. The ladder sight adjusts from 200 to 800 meters, while a flip-down battle sight is set for 100 to 300 meters. The front sight blade is thin and sharp.

What ammunition performed best in the Enfield No5 MkI Jungle Carbine test?

PPU 150gr soft point ammunition performed more reliably with smoother extraction. Hotter loads like Wolf 174gr FMJ caused issues such as flattened primers and sticky extraction due to the rifle's generous headspace.

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