Union Soviet Socialist Republics 45mm M1932 L/46 19/20K

Showing the details of the shells used(where known)   Tweet Weapon Details 45mm M1932 L/46 19/20K (Anti Tank Gun) History This was a 45mm Russian designed gun on a Rheinmetal Pak 37mm carriage, and was also used in various armoured vehicles. the Russian nomenclature for this gun was 19K for Anti Tank and 20K for Tank mounted guns. Manufactured 1932 - 1937 Calibre 45mm Length L/46 Rate of Fire 15 rpm   UBR-243P (AP Armor Piercing) 45mm 0.87Kg 760M/Sec Quoted Penetration 36mm@400m Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.13 0.28 0.58 1.28 2.16 3.27 4.75 6.77 Penetration(mm@30°) 38 35 31 25 21 16 12 9 Penetration(mm@0°) 45 41 36 30 25 19 15 11 Hit Probability(%) 98 98 98 93 60 25 8 3 UO-243 (HE High Explosive) 45mm 2Kg 343M/Sec ≈0.3Kg explosive Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.3 0.61 1.28 2.84 4.77 7.24 10.5 15 Direct Fire Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.3 0.61 1.28 2.84 4.77 7.24 10.5 15 Hit Probability(%) 98 98 93 34 8 2 0 0 Blast/Fragmentation Effects Burst radius Infantry in open 99% kill 3 mtr Burst radius Infantry in open 66% kill 6 mtr Burst radius Infantry in open 33% kill 15 mtr  Armour Penetration inc roof at 1 mtr 0 mm An explosion within 3 mtr of infantry in the open will cause 99% casualties - lethal. An explosion within 6 mtr of infantry in the open will cause > 66% casualties and could damage some AFV's. An explosion within 15 mtr of infantry in the open will cause 33% casualties. The blast effect of this shell exploding within 1 mtr of an armoured vehicle will not cause any significant armour damage. Vehicles in our database using this gun Vehicle Name Common Name   BT-3 / BT-4     BT-7-1     BT-7-2     BA-10     SU-45     T-26C     T-26E     T-26S     T-50     T-70     T-80

Hit probability is based on a static 2 x 2.4 metre panel at 0 degrees(vertical) at the range specified.

The data that has been used to create these records has come from Wikipedia, The Lone Sentry, The Bundes Archive and numerous books and websites that have provided the detailed information that has not been available anywhere else. The information we use to calculate the penetration tables, flight times and the hit probability comes from the Gun Calibre, the Shell Mass(Kg) and the muzzle velocity, plus range reductions to allow for gravity and wind resistance. This calculation originally came from a pre-war Krupp calculation which has been modified, and seems to fit the actual test results.

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