AR-15 Full Auto Meltdown! Nitride Treated Barrel (HD)

Published on April 19, 2017
Duration: 13:31

This video details a full-auto AR-15 barrel meltdown test, pushing a Nitride (Melonite) treated barrel to its limits. The test, conducted by Mrgunsngear Channel, involved firing 1,069 rounds consecutively to assess barrel durability and heat effects. The speaker, an experienced firearm instructor, notes significant heat-related malfunctions and wear, concluding that while the Melonite finish turned white, the barrel's rifling remained largely intact, though the gas port showed slight erosion. A follow-up with Faxon is planned for deeper analysis.

Quick Summary

During an AR-15 full-auto meltdown test, a Nitride (Melonite) treated barrel endured 1,069 rounds. The barrel's finish turned white from extreme heat, and the gas port showed slight erosion, but rifling remained intact. This performance was compared favorably to a previous chrome-lined barrel test where the barrel burst earlier.

Chapters

  1. 00:11Introduction: Melonite barrel test
  2. 00:48Initial full auto firing
  3. 01:17Ammunition and continued firing
  4. 02:44Barrel inspection after cooling
  5. 03:00Preparing for full meltdown test
  6. 03:34Continuous full auto firing & malfunctions
  7. 06:14Bolt replacement for reliability
  8. 06:55Mid-video commentary on test continuation
  9. 08:00Increasing malfunctions and heat
  10. 10:24Test conclusion and barrel status
  11. 11:03Post-test barrel and component inspection
  12. 11:44Future plans: Scientific follow-up

Frequently Asked Questions

What happened to the Nitride (Melonite) treated AR-15 barrel during the full-auto meltdown test?

During the 1,069-round full-auto meltdown, the Nitride (Melonite) treated AR-15 barrel's finish turned shiny white due to extreme heat. While the rifling remained largely intact, the gas port showed slight erosion. The test concluded due to cook-offs and severe reliability issues.

How many rounds were fired in the AR-15 full-auto meltdown test?

A total of 1,069 rounds were fired during the full-auto meltdown test of the AR-15's Nitride (Melonite) treated barrel. The test involved continuous firing to assess the barrel's durability under extreme heat conditions.

What was the condition of the AR-15 bolt after the meltdown test?

The AR-15 bolt was replaced at 382 rounds during the test in an attempt to improve reliability, but malfunctions continued. Post-test images show the bolt carrier group and bolt, indicating wear consistent with high-volume firing, though specific details on its condition post-meltdown aren't detailed beyond its replacement.

How did the Nitride (Melonite) barrel perform compared to a chrome-lined barrel in the meltdown test?

In this full-auto meltdown test, the Nitride (Melonite) barrel endured 1,069 rounds before significant issues, while a previously tested chrome-lined barrel reportedly lasted approximately 36 magazines before bursting. This suggests potentially greater durability for the Melonite treatment under extreme conditions.

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