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The Mk 2 grenade (initially known as the Mk II), also nicknamed the Pineapple is a fragmentation-type anti-personnel hand grenade introduced by the U.S. armed forces in 1918. It was the standard issue anti-personnel grenade used during World War II , and also saw limited service in later conflicts, including the Korean War and Vietnam War .
Similar in format to the M26, the M33 is a spherical fragmentation grenade also filled with Composition B explosive. Unlike the M26, the inner wall is prescored and does not contain a fragmentation coil. [8] The grenade has a smooth surface, unlike the Mk II series "pineapple" casing.
The M26 is a fragmentation hand grenade developed by the United States military. It entered service in 1952 and was first used in combat during the Korean War, replacing the Mk 2 of World War II. The M26 series was the primary fragmentation grenade used by American forces in the Vietnam War. It was replaced by the M33 series 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 I.
The modern fragmentation grenade was developed during the 20th century. The Mills bomb, first adopted in 1915 by the British army, is an early fragmentation grenade used in World War I. The Mk 2 grenade was a fragmentation grenade adopted by the American military based on the Mills bomb, and was in use during World War II. [6]
In modern grenades, a pre-formed fragmentation matrix inside the grenade is commonly used, which may be spherical, cuboid, wire or notched wire. Most anti-personnel (AP) grenades are designed to detonate either after a time delay or on impact. [1]
Later reclassified as the S4MAA Mk.I-A1 Training Grenade. S4GIA = 25 × Mk.2 Fragmentation Grenades (Fuse M10A3) in M41 Fiber Containers (fiberboard storage tubes) in a wooden crate. Gross Weight: 53 lbs. Volume: 1.25 Cubic Feet. S4GIA = 25 × Mk.2 Fragmentation Grenades (Fuse M6A4C) in M41 Fiber Containers (fiberboard storage tubes) in a ...
It was designed to launch the Mk 2 fragmentation grenade. M1A1 - three prongs, a base cup to secure the grenade, and solid tailfins. It was designed to launch oval-shaped grenades like the M26 fragmentation grenade. M1A2 = three prongs, a base cup to secure the grenade, and slotted tailfins. It was an improved version of the M1A1 with a ...