Sig MCX Torture Test!

Published on December 31, 2015
Duration: 28:08

This guide details the process of cleaning and recovering a Sig MCX after exposure to mud and grit, based on a torture test scenario. It emphasizes thorough disassembly, meticulous cleaning of tight tolerances, and proper lubrication to restore functionality. The expert assessment highlights the MCX's sensitivity to fine silt due to its internal design, requiring careful attention during maintenance after adverse condition exposure.

Quick Summary

The Sig MCX requires meticulous cleaning after exposure to mud and grit due to its tight internal tolerances, especially in the dual recoil spring channels. A thorough field strip, cleaning, drying, and light lubrication are essential to restore 100% functionality and prevent cycling failures.

Chapters

  1. 00:00Introduction to the Sig MCX Torture Test
  2. 00:41Test Setup and Ammunition
  3. 01:20The Mud Stomp Test
  4. 02:24Internal Mechanics and Grit Sensitivity
  5. 03:15Open Action Mud Test
  6. 05:26Field Strip and Inspection
  7. 09:10Magazine Compatibility and Continued Testing
  8. 13:18Final Cleaning and Conclusion

Frequently Asked Questions

How does mud affect the Sig MCX?

Mud and fine silt can significantly impact the Sig MCX's reliability due to its tight internal tolerances, particularly in the dual recoil spring channels. This can lead to cycling failures until the rifle is thoroughly cleaned and lubricated.

What is the best way to clean a Sig MCX after mud exposure?

After ensuring the rifle is unloaded, perform a field strip, meticulously clean all components including the bolt carrier group and recoil springs, dry thoroughly, and apply a light coat of lubricant. Avoid over-lubrication.

Is the Sig MCX reliable in adverse conditions?

While accurate and ergonomic, the Sig MCX's design makes it sensitive to water and fine silt. It requires diligent cleaning and maintenance after exposure to adverse conditions to maintain reliability, unlike some more robust designs.

What ammunition was used in the Sig MCX torture test?

The Sig MCX torture test utilized ZQI M855 5.56x45mm NATO ball ammunition. The test also involved standard USGI contract magazines, Lancer magazines, and Magpul PMAGs.

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