The M67 fragmentation hand grenade is the current U.S. Army-issue hand grenade. It is lethal to 5 meters, and is capable of causing casualties out to 15 meters. It consists of an explosive charge, which is contained in a steel shell. The shell shatters into fragments when the grenade explodes. The timer in the grenade will cause it to explode between 3 and 5 seconds after the spoon is released from the body of the device.