Convoy Dust Test: M4gery / AR15

Published on March 8, 2019
Duration: 16:07

This guide details a rigorous convoy dust test procedure for an AR-15 platform rifle, as demonstrated by Ian McCollum of InRangeTV. The test methodically assesses the rifle's reliability under extreme dust conditions, comparing performance with the dust cover open versus closed, and concludes that a dry firearm is superior to an oiled one in such environments. The expert-level instruction emphasizes objective, experimental testing to understand real-world firearm performance.

Quick Summary

An AR-15 convoy dust test demonstrated that a 'bone dry' rifle is often more reliable than an oiled one in extreme dust. The rifle's dust cover effectively protects the action when closed, but even with the cover open, the AR-15 showed resilience, though manual dust introduction eventually caused issues.

Chapters

  1. 00:00Introduction to Convoy Dust Test
  2. 02:50Degreasing the Rifle
  3. 04:43Initial Functionality Test
  4. 05:54First Dust Exposure (Dust Cover Closed)
  5. 07:34Test Fire After First Exposure
  6. 08:35Second Dust Exposure (Dust Cover Open)
  7. 09:44Test Fire After Second Exposure
  8. 13:37Extreme Dust Test
  9. 14:29Final Test Fire and Conclusion

Frequently Asked Questions

How does dust affect an AR-15 rifle's reliability?

In extremely dusty conditions, lubricant on an AR-15 can mix with dust to form an abrasive sludge. Testing shows a 'bone dry' AR-15 is often more reliable than an oiled one, as the dust cover effectively protects the action when closed.

What is the purpose of the dust cover on an AR-15?

The dust cover on an AR-15 serves to protect the rifle's internal components, particularly the bolt carrier group and receiver, from environmental contaminants like dust and debris. It is crucial for maintaining reliability in harsh conditions.

Is it better to run an AR-15 wet or dry in dusty environments?

According to expert testing, running an AR-15 'bone dry' is often preferable in extremely dusty environments. Lubricant can attract and bind dust, creating a grinding paste, whereas a dry firearm relies on its design and dust cover for protection.

What specific products were used in the AR-15 convoy dust test?

The test featured a BCM M4gery / AR-15 rifle, Birchwood Casey Gun Scrubber for degreasing, USGI 30-round aluminum magazines, and IMI M193 5.56mm 55-grain ammunition.

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