Mk 2 grenade

Mk 2 Grenade
Mk 2 Grenade
	World War II–era Mk 2 grenade
Type	Time-fused grenade
Place of origin	United States
Service history
In service	1918–1969
Used by	See Users
Wars	World War II; Chinese Civil War; Korean War; First Indochina War; Suez Crisis; Vietnam War; Six-Day War; Cambodian Civil War; Laotian Civil War; Rhodesian Bush War; Lebanese Civil War; The Troubles; Salvadoran Civil War; Battle of Marawi; Iraqi Civil War (2014–2017); Communist rebellion in the Philippines;
Production history
Designed	1918
Produced	1918–1950s
Specifications
Mass	About 1 lb 5 oz (600 g) depending upon filling
Length	3.5 inches (89 mm) body ; 4.5 inches (110 mm) overall
Diameter	2.3 inches (58 mm)
Filling	Varied
Filling weight	Varied
Detonation; mechanism	percussion cap & time fuse: 4–5 second delay

The Mk 2 grenade (initially known as the Mk II) is a fragmentation-type anti-personnel hand grenade introduced by the United States Armed Forces in 1918.