whole gun length with flash suppressor: 2610mm
barrel length with flash suppressor: 2050mm
barrel length without flash suppressor: 1880mm
rifling length: 1730mm

The spraying has some interesting pattern...
... if you aim at low elevations, the spray pattern is an ellipse, with a horizontal major axis...
... at 45 degree, it becomes an ellipse, with a vertical major axis.
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Hpasp
Free SAM Simulator, "Realistic to the Switch"
(U-2 over Sverdlovsk, B-52's over Hanoi, F-4 Phantoms over the Sinai, F-16's and the F-117A Stealth bomber over the Balkans.)
http://sites.google.com/site/samsimulator1972/home

Book from the author - Soviet Nuclear Weapons in Hungary 1961-1991
https://sites.google.com/view/nuclear-weapons-in-hungary/
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