The U.S. Army used a new mini-grenade for urban fighting in Iraq. The 6.4 ounce HG-86 is 3.9 inches high and 2.2 inches in diameter. This is half the size of the standard M67 fragmentation grenade. With less destructive blast effect, but still putting out some 1600 fragments (each about 1/12th of an inch in size), the HG-86 gets the job done with less damage to friendly troops who tossed it (usually right outside the room the grenade goes off in.) Another obvious advantage of this grenade is that you can carry more of them. American Special Forces had already been using the HG 86, and the Department of Defense originally bought it at the request of the Special Forces (which has more money, and authority, to try new weapons). The HG-86 was developed by an Austrian firm..