7.62x51 NATO Naval M1 Garand

Published on March 20, 2019
Duration: 20:02

This video details the US Navy's conversion of the M1 Garand rifle to fire 7.62x51mm NATO ammunition, designated the Mk2 Mod 0. It explores the historical context, the technical modifications like chamber sleeves and safety blocks, and performance testing against military standards. The review also briefly touches upon the M14 rifle as a successor.

Quick Summary

The US Navy converted M1 Garands to 7.62x51 NATO, designating them Mk2 Mod 0. These rifles used a chamber sleeve and a plastic spacer to prevent .30-06 clip loading. Accuracy testing met the 6 MOA military standard.

Chapters

  1. 00:10M1 Garand History & 7.62 NATO Development
  2. 01:24Standard M1 Garand Demo (.30-06)
  3. 02:59M14 Transition & Garand Conversion Need
  4. 05:15M14 Rifle Showcase
  5. 07:51US Navy Mk2 Mod 0 Garand Conversion Details
  6. 11:12Naval Garand Technical Features & Safety
  7. 13:31Mk2 Mod 0 Accuracy Testing & Standards
  8. 15:31Final Thoughts on Naval Garand Surplus

Frequently Asked Questions

What was the US Navy's designation for their M1 Garand conversion to 7.62x51 NATO?

The US Navy designated their M1 Garand conversion to fire 7.62x51mm NATO ammunition as the Mk2 Mod 0 rifle. This conversion utilized a chamber sleeve to adapt the original .30-06 barrels.

How did the Mk2 Mod 0 M1 Garand prevent accidental loading of .30-06 ammunition?

The Mk2 Mod 0 featured a white plastic spacer installed inside the receiver. This spacer was designed to block the use of standard .30-06 en-bloc clips, ensuring only 7.62 NATO clips could be properly inserted.

What was the accuracy standard for the 7.62x51 NATO M1 Garand conversions?

The military serviceability standard for these converted rifles was 6 MOA. The Mk2 Mod 0 tested in the video achieved 5.53 MOA at 50 yards, meeting this requirement.

What technical modifications were made to the M1 Garand for 7.62 NATO conversion?

Key modifications included the insertion of a chamber sleeve to adapt the barrel for 7.62 NATO, an enlarged gas port to manage the different pressure, and a plastic spacer in the receiver to prevent .30-06 clip insertion.

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