PSA CHF M4 Upper Meltdown!

Published on December 26, 2017
Duration: 11:13

This video details a destructive 'meltdown' test on a Palmetto State Armory (PSA) CHF M4 upper receiver with an FN cold hammer forged barrel. The test involved continuous full-auto fire until failure, which occurred at 430 rounds due to a ruptured gas tube. Post-test inspection revealed the barrel remained in excellent condition, indicating its durability under extreme stress.

Quick Summary

The Palmetto State Armory CHF M4 upper failed at 430 rounds due to a ruptured gas tube, not barrel damage. The FN cold hammer forged barrel remained intact, showing excellent durability under extreme full-auto fire.

Chapters

  1. 00:00Intro: PSA CHF M4 Upper Overview
  2. 01:13Barrel Specs & Test Setup
  3. 02:51The Full-Auto Meltdown Begins
  4. 05:06Failure Point: Gas Tube Rupture
  5. 06:05Post-Test Barrel Inspection
  6. 08:27Future Testing & Gas Tube Upgrade

Frequently Asked Questions

What caused the PSA CHF M4 upper to fail during the meltdown test?

The PSA CHF M4 upper failed at approximately 430 rounds due to a ruptured gas tube. The gas tube separated from the gas block, acting like a fuse and stopping the firearm before the barrel itself sustained critical damage.

How did the FN cold hammer forged barrel perform in the PSA M4 upper meltdown test?

The FN cold hammer forged barrel performed exceptionally well. Despite the extreme heat from continuous full-auto fire, the barrel showed no signs of warping or drooping and its rifling remained intact after the test.

What safety precautions were taken during the PSA M4 upper meltdown test?

The tester, Eric, wore a Haven Gear riot suit for protection during the destructive test. Thermal imaging was also used to monitor the barrel's heat buildup throughout the continuous full-auto firing sequence.

What is the significance of the gas tube failure in this test?

The gas tube failure highlights its role as a potential weak link under extreme thermal stress. It suggests that while the barrel is robust, the gas tube can be the limiting factor in sustained full-auto fire, prompting consideration for upgraded materials like Inconel.

Related News

All News →

More Reviews Videos You Might Like

More from Iraqveteran8888

View all →