United States 37mm Antitank Gun M3

Showing the details of the shells used(where known)   Tweet Weapon Details 37mm Antitank Gun M3 (Anti Tank Gun) History Used against the Japanese in the Phillipines in 1941, and proved effective, however when used in the North Africa Campaign the shells bounced off the German medium tanks. This gun was also used in a number of American Tanks. Manufacturer Watervliet Arsenal, Manufactured 1940 - 1944 Calibre 37mm Rate of Fire 25 rpm   AP M74 Shot (AP Armor Piercing) 37mm 0.86Kg 885M/Sec Quoted Penetration 36mm @ 500mtr/0° Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.12 0.24 0.51 1.15 2.01 3.19 4.93 7.73 Penetration(mm@30°) 61 55 48 38 30 22 16 10 Penetration(mm@0°) 71 64 56 45 35 26 19 12 Hit Probability(%) 98 98 98 96 64 25 8 2 HE M63 Shell (HE High Explosive) 37mm 0.73Kg 792M/Sec 0.039Kg explosive Maximum Range not shown as gun elevation is limited Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.13 0.27 0.57 1.29 2.25 3.56 5.51 8.63 Direct Fire Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.13 0.27 0.57 1.29 2.25 3.56 5.51 8.63 Hit Probability(%) 98 98 98 93 57 22 3 1 Blast/Fragmentation Effects Burst radius Infantry in open 99% kill 0 mtr Burst radius Infantry in open 66% kill 1 mtr Burst radius Infantry in open 33% kill 3 mtr  Armour Penetration inc roof at 1 mtr 0 mm An explosion within 1 mtr of infantry in the open will cause > 66% casualties and could damage some AFV's. An explosion within 3 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   Light Tank M3A3 (Stuart V) Stuart V     Light Tank M5 (Stuart VI) Stuart VI     Light Tank M5A1 Stuart     37 mm Gun Motor Carriage M6     Light Tank T9E1 (M22 Locust) M22 Locust

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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