Enfield No5 MkI Jungle Carbine

Published on October 19, 2018
Duration: 24:46

This expert guide details the identification and functional characteristics of the Enfield No5 MkI Jungle Carbine, drawing on insights from Iraqveteran8888's technical review. It covers key features for distinguishing authentic models from conversions, discusses the notorious 'wandering zero' phenomenon, and evaluates ammunition performance, emphasizing the channel's high authority in military surplus firearms.

Quick Summary

The Enfield No5 MkI Jungle Carbine is identifiable by its scalloped receiver cuts, hollow bolt handle, and lightning cuts for weight reduction. It's known for a 'wandering zero' where accuracy degrades as the barrel heats up. PPU .303 British ammo generally performs better than hotter Wolf loads, which can cause extraction issues due to generous headspace.

Chapters

  1. 00:00Initial Shooting Demonstration
  2. 01:57History and Design Features
  3. 02:59Sighting System
  4. 03:18Identifying Authentic Models vs. Fakes
  5. 06:11The 'Wandering Zero' Phenomenon
  6. 09:16Ammunition Performance: PPU vs. Wolf
  7. 13:01Final Assessment and Theory

Frequently Asked Questions

What are the key features to identify an authentic Enfield No5 MkI Jungle Carbine?

Authentic No5 MkI Jungle Carbines have specific scalloped cuts on the receiver, a hollowed-out bolt handle, and extensive lightning cuts on the barrel and receiver to reduce weight. These features distinguish them from converted No4 rifles.

What is the 'wandering zero' phenomenon associated with the Enfield No5 MkI Jungle Carbine?

The 'wandering zero' is a characteristic where the rifle's point of impact shifts significantly as the barrel heats up during firing, often by a foot or more. This is a known technical flaw that contributed to its limited service use.

How does PPU ammunition perform in the Enfield No5 MkI compared to Wolf ammunition?

Testing showed PPU 150gr SP BT .303 British ammunition performed more reliably with smoother extraction. Wolf 174gr FMJ was 'hotter,' leading to flattened primers and sticky extraction, likely due to the rifle's generous headspace.

What are the sight specifications for the Enfield No5 MkI Jungle Carbine?

The No5 MkI features an aperture rear sight adjustable in meters from 200 to 800 meters. It also has a flip-down battle sight set for 100 to 300 meters, paired with a thin, sharp blade front sight.

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