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The M67 grenade has a spheroidal steel body that contains 6.5 oz (180 g) of composition B explosive. It uses the M213 pyrotechnic delay fuse.The M67 grenade weighs 14 oz (400 g) in total and has a safety clip to prevent the spoon on the grenade from being triggered in the event the safety pin is accidentally pulled.
The grenades are "stackable," meaning up to three can be connected to increase blast power. The base grenade has a non-removable, 3.5 second fuse and a body encasing .25 pounds (110 g) of high explosive, so three connected grenades can have up to .75 lb (340 g) of blast force. [12] [13] [14]
The original Mk 2 grenade had a 3 ⁄ 8-inch (9.5 mm) threaded plug in its base, which covered the opening used to place the explosive filling, either 1.85 oz (52 g) of TNT, 2.33 oz (66 g) of Trojan explosive (a mixture of 40% nitrostarch, ammonium nitrate, and sodium nitrate), 1.85 oz (52 g) of a 50/50 amatol/nitrostarch mixture, or 1.85 oz (52 g) of Grenite (a mixture of 95% nitrostarch and ...
A type of grenade called the 'flying impact thunder crash bomb' (飛擊震天雷) was developed in the late 16th century and first used in September 1, 1592 by the Joseon Dynasty during the Japanese invasions of Korea. [11] The grenade was 20 cm in diameter, weighed 10 kg, and had a cast iron shell. It contained iron pellets, and an adjustable ...
The infra-red illumination cartridge (IRIC) M992 is a 40 mm low pressure grenade, designed to be fired from man-portable grenade launchers, to provide infrared illumination. [12] The grenade is designed to be fired into the air. When it gets to its maximum height it deploys a small parachute, and ignites an infrared pyrotechnic flare.
When American forces entered World War I, they lacked a fragmentation grenade of their own. American forces often received either the Mills bomb or the French F1 grenade. [2] When it came time to make a grenade, American designers looked to the F1 grenade for inspiration. [citation needed] In 1917, the Mk 1 grenade was created.
The weapon was delayed until August 1963 due to issues with the timer. These included premature firing of the timer and issues with bearing materials. An interim Mk 54 Mod 0 weapon (now called the B54-0) was put into production in April 1963. Drop tests for this weapon were conducted at velocities up to 31 feet per second (9.4 m/s) vertical and ...
In 1961, the first M79 grenade launchers were delivered to the US Army. Owing to its ease of use, reliability, and firepower, the M79 became popular among American soldiers, who dubbed it "the platoon leader's artillery". [9] [self-published source] [10] Some soldiers would cut down the stock and barrel to make the M79 even more portable. [11]