Springfield Hellion VHS port explosion? What just happened?

Published on March 23, 2022
Duration: 11:31

This review investigates a unique ejection port 'explosion' or fireball phenomenon observed with the Springfield Hellion (VHS-2), particularly when suppressed and in cold weather. Testing with various suppressors, including flow-through designs like OSS and X2 Dev Group, and ammunition types revealed the effect is linked to ambient temperature and gas dynamics. The analysis highlights potential safety considerations for left-handed shooters during rapid transitions.

Quick Summary

The Springfield Hellion can exhibit an ejection port fireball, particularly when suppressed in cold weather. This phenomenon is linked to gas dynamics and ambient temperature, appearing more frequently with flow-through suppressors. Cold air interaction with expelled gases is a key factor.

Chapters

  1. 00:00Intro: Hellion Ejection Port 'Explosion'
  2. 01:51Sponsor: Primary Arms Optics
  3. 02:38Suppressor Testing & Back Pressure
  4. 03:37Observing the Fireball Phenomenon
  5. 05:29Ammo & Suppressor Variables
  6. 06:41Temperature Correlation
  7. 09:01Safety & Design Analysis
  8. 11:01Conclusion & Community Feedback

Frequently Asked Questions

What causes the ejection port 'explosion' on the Springfield Hellion?

The ejection port 'explosion' or fireball on the Springfield Hellion is primarily observed when the rifle is suppressed and fired in cold ambient temperatures. It appears to be related to how the expelled gases interact with the cold air and the specific suppressor design, particularly flow-through types.

Does the Springfield Hellion's ejection port phenomenon occur with all suppressors?

While the phenomenon can occur with various suppressors, it seems more pronounced with low-pressure flow-through designs like OSS and X2 Dev Group. Traditional baffle suppressors like YHM Turbo showed fewer instances, suggesting suppressor design plays a key role in managing gas dynamics.

How does temperature affect the Springfield Hellion's ejection port fireball?

Cold ambient temperatures significantly increase the frequency and intensity of the ejection port fireball. As the temperature rose from the high 30s/low 40s to 56°F during testing, the phenomenon became much harder to replicate, indicating a strong correlation with cold air.

Are there any safety concerns with the Springfield Hellion's ejection port explosion?

Yes, while the flared brass deflector protects right-handed shooters, a significant ejection port fireball could pose a burn risk to a left-handed shooter, especially during rapid transitions or drills. Awareness and proper muzzle discipline are crucial.

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