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120 KRH 92

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120 KRH 92
On display during the Finnish Defence Forces 2014 Flag day
TypeHeavy mortar
Place of originFinland
Service history
Used bySee operators
WarsRusso-Ukrainian War
Production history
ManufacturerPatria Vammas Oy
Specifications
Mass
  • 159 kg (351 lb) (combat)
  • 342 kg (754 lb) (transport)
Length1.74 m (5 ft 9 in)
Barrel length1.6 m (5 ft 3 in)

ShellHigh-explosive fragmentation, smoke, illumination, practice[1]
Caliber120 mm (4.7 in)
Elevation45−80°
Traverse
  • 4.2° right and left (on bipod at 60°)
  • 360° (by moving bipod)
Rate of fire15 rounds per minute
Maximum firing range7,300 m (24,000 ft)
References[2]

The 120 KRH 92 (Finnish: 120 mm kranaatinheitin, malli 1992) is a 120 mm mortar manufactured in Finland.

Design

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The KRH 92 is a conventional 120 mm (4.7 in) smoothbore mortar, with a high tensile-strength steel alloy barrel and baseplate. The KHR 92 is a sturdy weapon and stable in all kinds of terrain. It is designed for quick employment and redeployment: it takes less than a minute to emplace the mortar. The baseplate provides a full 360° traverse without the need of moving it.[3]

Two versions of the KRH 92 were developed: a long-range version capable of firing a mortar bomb (either by simply dropping it inside the barrel or pulling the trigger) at a distance of 8,600 m (28,200 ft) and lighter version with a shorter barrel with a range of 7,300 m (24,000 ft).[3]

The light version, which is the standard 120 mm mortar of the Finnish Army has a shorter barrel, a modified carriage, the bipod is made of high-strength aluminum instead of steel, and the firing mechanism is simplified, being capable of drop firing only. But the firing pin can be retracted by pulling a lever to clear misfires or interrupt firing.[2]

The KRH 92 can be mounted and fired (at a 54° angle) from the trailer unit of a Patria tracked articulated vehicle.[4]

The mortar has seen use during the Russo-Ukrainian War with Ukrainian forces. For security reasons, Finland has not officially disclosed the quantity or exact types of equipment supplied to Ukraine.[5]

Operators

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See also

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References

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  1. ^ "Raskas kranaatinheitin 120 KRH" [Heavy mortar 120 KRH] (in Finnish). Maavoimat / Finnish army. Archived from the original on 2017-06-23. Retrieved 2017-07-22.
  2. ^ a b Jones & Ness 2010, p. 529.
  3. ^ a b Hogg 1994, p. 377.
  4. ^ "Articulated Tracked Mortar Carrier 120 KHR TEKA". Puolustusvoimat. The Finnish Defence Forces. Retrieved 13 February 2025.
  5. ^ Kushnikov, Vadim (20 January 2023). "Finland transfers heavy armament and ammunition to Ukraine as the largest aid package to date". Militarnyi. Retrieved 13 February 2025.
  6. ^ IISS 2025, p. 87.
  7. ^ IISS 2025a, p. 200.

Bibliography

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