Posted on 02/05/2006 11:19:46 PM PST by Cannoneer No. 4
Anti-tank rifle, eh? Interesting....very interesting. Should read up on this awesome rifle.
Check
For your reading pleasure I suggest Unintended Consequences by John Ross.......the Lahti 20mm is one of the main characters....;)
Kind of looks like a longer version of the .50 cal rifles. --------------------------------------------------------------------------------
Looks like a Lahti 20mm anti-tank rifle (WWII).
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Anti-tank rifle, eh? Interesting....very interesting.
Should read up on this awesome rifle.
It is indeed an L39 Lahti 20mm *Norsupyssy*, originally used during the 1939-40 Finnish Winter War against invading Soviet tanks during that 4-month-long conflict. Only two prototypes made it to the Winter War of 1939-40, but over 1800 Lahti ATRs were used in the 1941-45 Continuation War. The light tanks and amphibious vehicles of the period were particularly vulnerable to the 20mm x 138B ammunition, though later WWII tanks were not...though light armoured vehicles of the period, armoured cars and half-tracks, remained potential targets. Later, in the postwar period, Soviet ground attack aircraft and attack helicopters became a considerable threat to Finnish defenses, and the L-39 continued to serve in that role with adapted antiaircraft mounts, 20-round magazines, and, sometimes, Model 39/44 conversions to full-automatic capability, finally being replaced by ground-to-air missiles in 1988.
More information for you *here*, and *here*, and, if you read Finnish, *here*.
For comparison, the German Panzer Mark II light tank(PzKfwIIb-PzKfwIIf) had a 20mm main gun, as did many other early-war light armored vehicles.
And 50 caliber is only 12.7mm
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