7.62x51 NATO Naval M1 Garand

Published on March 20, 2019
Duration: 20:02

This guide outlines the key aspects of the US Navy's Mk2 Mod 0 M1 Garand conversion to 7.62 NATO. It details the use of chamber sleeves, safety spacers to prevent .30-06 loading, gas port modifications, and the importance of using only 7.62 NATO ammunition. The video emphasizes the historical context and the technical considerations for these unique rifle modifications, highlighting the expertise of the instructor, Tim.

Quick Summary

The US Navy's Mk2 Mod 0 Garand conversion adapted the M1 Garand to fire 7.62x51 NATO using a chamber sleeve. Crucially, a white plastic spacer was added to the receiver to prevent the dangerous loading of .30-06 en-bloc clips. These rifles typically met a military accuracy standard of around 6 MOA.

Chapters

  1. 00:10M1 Garand History & Caliber Change
  2. 01:24Standard M1 Garand Demo
  3. 02:59Transition to M14
  4. 05:15M14 Demonstration
  5. 07:51The Naval Mk2 Mod 0
  6. 11:12Naval Garand Features
  7. 13:31Accuracy Testing
  8. 15:31Final Thoughts

Frequently Asked Questions

What is the Mk2 Mod 0 Garand conversion?

The Mk2 Mod 0 Garand is a specific modification by the US Navy that converted M1 Garands from firing .30-06 Springfield to 7.62x51 NATO. This was done using a chamber sleeve and a safety spacer to prevent loading incorrect ammunition.

How did the Navy convert M1 Garands to 7.62 NATO?

The US Navy primarily used a chamber sleeve inserted into the .30-06 barrel to allow it to safely fire 7.62x51 NATO ammunition. They also added a white plastic spacer in the receiver to block .30-06 clips.

What safety features are present on the Mk2 Mod 0 Garand?

A key safety feature is the white plastic spacer installed in the receiver, designed to prevent the accidental loading of .30-06 en-bloc clips. This is crucial because using the wrong clip in a converted rifle can be dangerous.

What is the typical accuracy of a Mk2 Mod 0 Garand?

The military serviceability standard for accuracy on these converted rifles was generally considered to be around 6 MOA. An actual test showed an 8-shot group of 2.90 inches at 50 yards, which is 5.53 MOA.

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