Flash Mitigation: Part - 7 Dead Air Sierra 5

Published on May 1, 2023
Duration: 4:49

This video reviews the Dead Air Sierra 5 suppressor's flash mitigation capabilities on 11.5-inch and 16-inch AR-15 platforms. The presenter tested four different ammunition types, noting reduced but still present muzzle flash, particularly with the shorter barrel and steel-cased ammunition. The Sierra 5 is identified as a dedicated 5.56 can.

Quick Summary

The Dead Air Sierra 5 is a dedicated 5.56 suppressor tested for flash mitigation on 11.5" and 16" AR-15s. While it reduces flash, some is still visible, especially with shorter barrels and steel-cased ammo. A 16-inch barrel showed slightly better results than the 11.5-inch.

Chapters

  1. 00:07Introduction: Dead Air Sierra 5
  2. 00:30Host Firearms: Suns Liberty Gun Works AR-15s
  3. 00:56Ammunition Testing: Winchester White Box
  4. 01:27Ammunition Testing: Tula Steel Case
  5. 01:45Ammunition Testing: PMC Bronze
  6. 01:58Ammunition Testing: M855 Green Tip
  7. 02:15Swapping to 16-inch Upper
  8. 02:3216-inch Test: Winchester White Box
  9. 02:4516-inch Test: Tula Steel Case
  10. 02:5916-inch Test: PMC Bronze
  11. 03:1216-inch Test: M855 Green Tip
  12. 03:27Overall Thoughts & Performance
  13. 04:17Importance of Flash Mitigation

Frequently Asked Questions

What is the Dead Air Sierra 5 designed for?

The Dead Air Sierra 5 is specifically designed as a dedicated suppressor for 5.56 NATO and .223 Remington calibers. It aims to reduce muzzle flash and sound signature for these rifle platforms.

How does barrel length affect flash mitigation with the Dead Air Sierra 5?

Testing indicated that a longer barrel, such as a 16-inch, generally provides slightly better flash mitigation with the Dead Air Sierra 5 compared to a shorter barrel like an 11.5-inch. This is likely due to more complete powder burn.

Does ammunition type impact flash with the Sierra 5?

Yes, ammunition type can influence flash. Steel-cased ammunition, like Tula, was observed to produce more noticeable sparking and flash compared to brass-cased ammunition when used with the Dead Air Sierra 5.

When is flash mitigation important for rifle shooters?

Flash mitigation is crucial in tactical situations to reduce shooter and friendly soldier signature. It can also be important for recreational shooters at indoor ranges to avoid startling others or creating excessive light.

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