Small Vs Large Flashbang!

Published on October 10, 2025
Duration: 1:48

This video provides a comparative review of three pyrotechnic devices: the IWA International Thunderflash MK.5, the Thunderflash MK.7, and the TLSFX MK.9 Diver Recall Device. The host, identified as a tactical enthusiast, demonstrates the differences in size, NEC (Net Explosive Content), and intended applications, ranging from wildlife management and airsoft to underwater signaling.

Quick Summary

The video compares the IWA International Thunderflash MK.5 (1.3g NEC, twist-off cap) and MK.7 (4.5g NEC, high output) with the TLSFX MK.9 Diver Recall Device (water-resistant, underwater signaling). The MK.9 is specialized for aquatic environments, while the MK.7 offers greater power than the MK.5. Caution is advised due to the loud nature of these devices.

Chapters

  1. 00:00Introduction to Flashbangs
  2. 00:13Thunderflash MK.5 Test
  3. 00:31Thunderflash MK.7 Test
  4. 01:08MK.9 Diver Recall Device Test

Frequently Asked Questions

What are the key differences between the Thunderflash MK.5 and MK.7?

The Thunderflash MK.5 has an NEC of 1.3g and uses a twist-off cap ignition. The MK.7 is more powerful with an NEC of 4.5g, making it significantly louder and more impactful for tactical applications.

What is the primary purpose of the MK.9 Diver Recall Device?

The MK.9 Diver Recall Device is specifically designed for underwater signaling and recall. It is water-resistant and produces a loud sound, making it suitable for marine or submerged operational environments.

What safety precautions should be taken when using powerful pyrotechnic devices?

When using devices like the MK.7 or MK.9, it's crucial to maintain a safe distance and use hearing protection, as they are extremely loud and can cause hearing damage at close range.

What ignition method does the Thunderflash MK.5 use?

The Thunderflash MK.5 features a twist-off cap with an integrated strike surface for ignition. This method is designed for reliable and straightforward activation in tactical scenarios.

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