Say what you may about brands, but THE BEST self defence ammunition in the world is lit with the pull of a lanyard! All the rest MUST rely on placement!
The M15, M16 and M34 white phosphorus grenades were for signaling and masking. Their burst radius is inconsistent as it the distribution pattern, as were the artillery shell variants. They were never intended as anti personnel munitions. Although lanyard fired in most cases it is a poor choice compared to say a M590 "bee hive" round, or a "Copperhead" round out of the respective artillery piece. I thought you army guys knew that