"Emits an intense blinding flash designed to disorientate enemies for a short period of time." - Killzone.com Description 
Killzone: Mercenary Edit
The M98 Flash is a flash grenade, which will blind any nearby enemies when detonated. Its affect varies based on how close you are to it, and is self-detonated. It is used primarily by mercenaries, as it is a Blackjack exclusive. It is also very affordable, at only 3,200 dollars.
- It is the first flashbang in a Killzone game.