Mag Dump Fixes Malfunctioning Gun

Published on June 7, 2023
Duration: 0:52

This video addresses a common AR-15 malfunction where the bolt fails to lock back. After testing the upper receiver on multiple lower receivers without success, the solution involved a 'mag dump' to break in the components. The speaker concludes that some firearms require a break-in period for reliable function.

Quick Summary

A common AR-15 malfunction is the bolt failing to lock back. This video shows how testing the upper on different lowers confirmed the issue. A rapid 'mag dump' resolved the problem, suggesting the components needed a break-in period for reliable function.

Chapters

  1. 00:00Introduction & Initial Issues
  2. 00:10The Bolt Malfunction Explained
  3. 00:22Troubleshooting: Testing Lowers
  4. 00:31The Solution: Mag Dump Break-In
  5. 00:45Conclusion: Break-In Periods

Frequently Asked Questions

What is a common AR-15 malfunction that can be fixed with a mag dump?

A frequent AR-15 malfunction is the bolt failing to lock back after the last round is fired. This video demonstrates how performing a rapid 'mag dump' can sometimes resolve this issue by effectively breaking in the firearm components under stress.

How can you troubleshoot a bolt-not-locking-back issue on an AR-15?

To troubleshoot, first isolate the problem by testing the upper receiver on different, known-good lower receivers. If the issue persists across multiple lowers, it likely lies within the upper receiver or its components, suggesting a potential need for a break-in period.

Do new AR-15 parts require a break-in period?

Yes, some firearms and their components, like the Aero Precision upper receiver in this video, may require a break-in period. This often involves firing a certain number of rounds, sometimes through rapid fire like a 'mag dump', to ensure all parts seat correctly and function reliably.

What is a 'mag dump' in firearms terminology?

A 'mag dump' refers to firing all the rounds from a magazine as rapidly as possible, typically in a semi-automatic firearm. It's often used to quickly break in new components or clear a firearm under specific circumstances, though it consumes significant ammunition.

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