“Practical” AK Mud Test

Published on February 18, 2019
Duration: 9:06

Brandon Herrera conducts a 'practical' AK-47 mud test, replicating and exceeding conditions from a previous InRangeTV test. The AK-47, a legally registered machine gun, initially fails to fire after being caked in mud, exhibiting hammer follow due to grit. Minimal cleaning via submersion in stagnant water significantly improves reliability, allowing for semi-auto and full-auto function.

Quick Summary

Brandon Herrera's 'practical' AK-47 mud test showed initial failures, including hammer follow, due to abrasive grit. A simple field cleaning by dunking the rifle in rainwater significantly improved its reliability for semi-auto and full-auto firing.

Chapters

  1. 00:00Intro: Practical AK Mud Test
  2. 00:41Preparing the Mud Pit
  3. 01:13First Mud Test (Safety On)
  4. 02:38Extreme Mud Test (Dust Cover Off)
  5. 04:35Initial Firing Test & Malfunctions
  6. 05:46Reliability Discussion
  7. 06:39Field Cleaning & Final Test

Frequently Asked Questions

How did the AK-47 perform in Brandon Herrera's mud test?

Initially, the mud-caked AK-47 failed to fire and experienced 'hammer follow' due to grit. However, after a simple cleaning by dunking it in rainwater, it became much more reliable in semi-auto and full-auto modes.

What caused the AK-47 to malfunction during the mud test?

The primary cause of malfunction, specifically 'hammer follow,' was abrasive grit entering the rifle's action. This grit hindered the hammer's ability to reliably ignite primers, requiring manual cycling initially.

What is 'hammer follow' in firearms?

Hammer follow is a malfunction where the hammer fails to stay cocked after firing. It can result in the hammer striking the next primer with insufficient force or falling before the bolt is fully locked, often caused by excessive friction or worn parts.

How was the AK-47 cleaned after the extreme mud test?

The cleaning process was minimal. The rifle was simply dunked into a barrel of stagnant rainwater. This basic 'field cleaning' was surprisingly effective in restoring much of the rifle's operational reliability.

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