Mk7 Thunderflash

The Mk7 Thunderflash is an effective distraction device, and produces the highest noise report of any EG product. Designed for professional use, the Mk7 is also fitted with a friction igniter head located under the twist-off safety cap. To ignite the product the cap is removed and used to strike the match head concealed underneath.
Common Uses: Professional tactical and police training, wildlife distraction, diver recall.
Mk7 Thunderflash

How to Purchase Mk7

The Mk7 is a Combat Field and Training product. It is not available for general use. Wholesale and field enquiries welcome. Worldwide shipping available for bulk orders. Not available in North America.

Distributed From: UK, Europe


Fuse Delay (± 1s)


Product Diameter


Product Length


Noise Level (at 15m)


Total Weight (± 10g)


Net Explosive Content


Safety Distance




Minimum Purchase Age

Safety Information

When ignited, the Mk5 Thunderflash will produce a bang effect, and create a white flash.
  • Safety distance = 15m
  • For outdoor use only
  • Use gloves and eye protection

Environmental Impact

Designed with biodegradable materials, minimizing its impact on the environment.
  • 99.5% biodegradable
  • Low CO2 output
  • Clean composition

Mk7 Thunderflash FAQ

Frequently asked questions about the Mk7 Thunderflash.

The product must be held to ignite, but then thrown. Never put any part of your body near the ignition point.

No, the Mk7 should only be used outdoors with the land owner’s permission.

The Mk7 is 115-120dB at 15m
Twist off the cap and strike it against the fuse to ignite.
The Mk7 Thunderflash is 99.5% biodegradable.