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F1 anti-personnel hand grenade
F1 grenade DoD.jpg
F-1 Hand grenade
Type Hand grenade
Place of origin  Soviet Union
Service history
Used by Soviet Union, Brazil
Wars World War II
Rhodesian Bush War[1]
Weight 600 g
Length 130 mm
Diameter 55 mm

Filling Trinitrotoluene
Filling weight 60 g

F-1 Hand grenade

The Soviet F1 hand grenade, nicknamed the limonka (lemon-like), is an anti-personnel fragmentation defensive grenade. It is based on the French F1 grenade and contains a 60 gram explosive charge (TNT). The total weight of the grenade with the fuze is about 600 grams. The UZRGM fuze is a universal Russian type also used in the RG-41, RG-42, RGO-78, RGN-86 and RGD-5 grenades. The standard time delay for this fuze is 3.5 to 4 seconds. However, UZRGM fuze variants are available which give delays between zero (i.e., instantaneous) and 13 seconds, specifically for use in booby-traps.

The F1 was introduced during World War II and subsequently redesigned post-war. It has a steel exterior that is notched to facilitate fragmentation upon detonation and to prevent hands from slipping. The distance the grenade can be thrown is estimated at 30–45 meters. The radius of the shrapnel dispersion is up to 200 meters (effective radius is about 30 meters, by some sources (Russian)). Hence, the grenade has to be deployed from a defensive position to avoid harm.

The F1 grenade has been supplied to various foreign countries over the years, including Iraq and other Arab nations, and there are different production variations according to country of origin (in terms of finish, markings and spoon/lever design). Though obsolete and no longer in production[citation needed], it can still be encountered in combat zones.

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