SMLE MkI***: The Updated Early Lee Enfields (and Irish Examples!)

Published on February 3, 2021
Duration: 7:41

This expert guide, presented by Ian McCollum of Forgotten Weapons, details the specific modifications and identifying features of the SMLE MkI*** rifle, particularly those related to the transition from Mark 6 to Mark 7 .303 British ammunition. It covers sight adjustments, volley sight re-marking, and the identification of unique Irish contract examples, providing crucial insights for collectors and enthusiasts.

Quick Summary

The SMLE MkI*** rifle features significant upgrades over earlier models, primarily driven by the adoption of faster Mark 7 .303 British ammunition. Key identifiers include a ground rear sight base (often marked 'HV'), a U-notch rear sight, a square post front sight, and re-marked volley sights to accommodate the new ballistics.

Chapters

  1. 00:03Introduction to SMLE MkI***
  2. 00:27Ammunition Change: Mark 6 to Mark 7
  3. 01:05Sight Updates for Mark 7 Ammunition
  4. 01:34Rear Sight Comparison (Mark 6 vs. Mark 7)
  5. 02:14Improved Sight Picture (U-notch vs. V-notch)
  6. 02:45Volley Sight Reconfiguration
  7. 03:10Irish SMLE MkI*** Rifles
  8. 03:54Irish Rifle Markings and Modifications
  9. 04:54Differences in Irish Contracts
  10. 06:33Original Production Markings
  11. 06:55Conclusion: Understanding SMLE History

Frequently Asked Questions

What are the key differences between the SMLE MkI* and the SMLE MkI***?

The SMLE MkI*** is an updated version of the MkI* primarily due to the adoption of Mark 7 ammunition. Key differences include sight modifications like a ground rear sight base for a flatter trajectory (often marked 'HV'), a U-notch rear sight, and a square post front sight, compared to the MkI*'s V-notch rear and barleycorn front.

How did the change to Mark 7 ammunition affect the SMLE rifle?

The adoption of Mark 7 .303 British ammunition, which was faster (approx. 2440 fps) and used a Spitzer bullet, necessitated sight adjustments on the SMLE. This included grinding the rear sight base for a new trajectory curve and re-marking the volley sight to compensate for the increased velocity.

What are the identifying features of Irish contract SMLE MkI*** rifles?

Irish contract SMLE MkI*** rifles often have 'CR' or 'ER' serial number prefixes. Some 'CR' marked rifles were further modified with Mark 3 style rear sights, featuring fixed windage and protective wings, while retaining the MkI*** square front post.

What is the significance of the 'HV' marking on an SMLE MkI***?

The 'HV' marking, typically found stamped on the barrel behind the rear sight on a MkI*** conversion, stands for 'High Velocity'. It indicates that the rifle has undergone the necessary sight modifications to properly compensate for the increased ballistic performance of the Mark 7 ammunition.

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