Technical Specifications

Type	Semi-automatic anti-tank rifle anti-materiel rifle
Country of origin	Finland
Manufacturer	Valtion Kivääritehdas (VKT)
Designed	1939
Produced	1939–1944
In service	1939–1960 (–1988)
Wars	Winter War · Continuation War · Lapland War
Used by	Finland
No. built	~1,906
Variants	L-39/44 anti-aircraft
Weight	49.5 kg
Length	2200 mm
Barrel length	51.2 in
Caliber	20 mm
Cartridge	20×138mmB
Action	Gas-operated
Feed	10 round box magazine
Muzzle velocity	800 m/s
Rate of fire	Max. 30/min

Data from Lahti L-39 (Wikipedia, 2026-09-22). Text licensed under CC BY-SA. Image: Public domain — Pudeo~commonswiki.

Compatible Calibers (1)

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