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M67 grenade
The M67 grenade is a fragmentation hand grenade used by the United States military. The M67 is a further development of the M33 grenade, itself a replacement for the M26-series grenades used during the Korean and Vietnam Wars, and the older Mk 2 "pineapple" grenade used since World War II. The M67 hand grenade has an effective casualty radius of about 15 meters (49 feet).
==Overview==
The M67 grenade has a spherical steel body that contains of composition B explosive. It uses the M213 pyrotechnic delay fuze. The M67 grenade weighs in total and has a safety clip to prevent the safety pin on the grenade from being pulled accidentally. The safety pin prevents the safety lever, or "spoon" on the grenade from moving and releasing the spring-loaded striker which initiates the grenade's fuze assembly.〔(US Army Technical Manual 43-0001-29 Army Ammunition Data Sheets for Grenades )〕
The M67 can be thrown by the average male soldier. Its fuze delays detonation between 4 and 5 seconds after the spoon is released. Steel fragments (not to be confused with shrapnel) are provided by the grenade body and produce an injury radius of , with a fatality radius of , though some fragments can disperse as far out as .〔(Army Study Guide: Hand Grenades )〕
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