ULTIMATE AR-22 MELTDOWN!

Published on April 19, 2017
Duration: 29:52

This AR-22 "meltdown" test pushed a CMMG upper with a KGmade Swarm suppressor to its limits using Federal Auto Match ammo. Despite reaching high temperatures (barrel 334°F, suppressor 304°F) after nearly 2,200 rounds, the primary failures were due to carbon and lead fouling, not thermal breakdown. A thorough cleaning restored full reliability, demonstrating that .22 LR fouling, not heat, is the limiting factor for sustained full-auto fire in this platform.

Quick Summary

The AR-22 experienced malfunctions during a full-auto meltdown test primarily due to carbon and lead fouling from .22 LR ammunition, not thermal damage. Peak temperatures reached were around 334°F for the barrel and 304°F for the suppressor.

Chapters

  1. 00:00Introduction & Setup: AR-22 Meltdown Test
  2. 02:07Initial Full-Auto Firing & Thermal Imaging
  3. 06:56Temperature Readings: Suppressor & Barrel Heat
  4. 07:26Fouling Issues & Early Malfunctions
  5. 12:20Post-Meltdown Analysis: Damage & Findings
  6. 14:50Post-Cleaning Reliability Test & Conclusion

Frequently Asked Questions

What caused the AR-22 to malfunction during the meltdown test?

The AR-22 experienced primarily failures to feed and go into battery due to heavy carbon and lead fouling from the .22 LR ammunition, rather than mechanical failure caused by extreme heat.

What were the peak temperatures reached during the AR-22 meltdown test?

During the sustained full-auto fire, the barrel reached approximately 334°F and the KGmade Swarm titanium suppressor reached about 304°F. The barrel nut hit a high of 275°F.

Can a .22 LR rifle truly 'melt' from sustained fire?

Based on this test, a .22 LR cartridge doesn't generate enough heat to cause a firearm to melt like centerfire cartridges. The failure point is typically maintenance-related, such as fouling buildup.

Did the KGmade Swarm suppressor withstand the extreme heat of the AR-22 test?

Yes, the KGmade Swarm titanium suppressor showed some lead buildup on its baffles but remained structurally sound after the extensive full-auto firing, indicating good durability.

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