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United States' 37 mm Gun Penetration tables

Weapon Type of
Ammunition		 Weight
(lb)		 Velocity
(ft/sec)		 Range (yards) ° Thickness (mm) of armor penetrated
Yards Meters
  HE Smoke Shot 100 500 1,000 1,500 2,000 2,500 100 500 1000 1500 2000 2,500
37 mm M3A16,7   1.9216   12,8506       206     2.1"6
52.56 		          52.5      
AP3             903               363        
APC3,7             07     557                  
            903               613        
            30               50        
APHE             30               30        
37 mm M5, M6 L/56 APC   2,545, 2,900         30               46, 48 42 37, 40 37  
        90                 1.8"      
37 mm M3A1, M5, M6 APC M51B1, M51B2 3.48 2,900         20               2.4-2.1" 2.1-1.8"      
M2 Canister 3.49 2,500                                  
HE M63 3.13 2,600                                  
37 mm M62,8, L/578     2,5452         302               482        
APC8 1.928 2,9008   3,0008   1,0008 306   468 428 408 378              
37 mm M1A2 APC M59 3.19 2,050         20               1-1.9" 0.6"      
37 mm M9 APC M59 3.39 2,800         20               2.2-1.9" 1.3-1.2"      
APC M80 3.15 3,050         20               3.1-2.6" 2.2-2"      
37 mm M1A2, M9 HE M54 2.68 2,600                                  

Sources:

  1. The Encyclopedia of Tanks and Armored Fighting Vehicles - The Comprehensive Guide to Over 900 Armored Fighting Vehicles From 1915 to the Present Day, General Editor: Christopher F. Foss, 2002
  2. British and American Tanks of World War Two, The Complete Illustrated History of British, American, and Commonwealth Tanks 1933-1945, Peter Chamberlain and Chris Ellis, 1969
  3. World War II Infantry Anti-Tank Tactics, Gordon L Rottman, 2005
  4. Tanks of World War II, Duncan Crow, 1979
  5. Armour In Profile #3 M.4 A3 E8 Sherman, Peter Chamberlain, Chris Ellis, ?
  6. US Army Handbook 1939-1945, George Forty, 1995
  7. Allied Artillery of World War Two, Ian V. Hogg, 1998
  8. Western Allied Tanks 1939-45, David Porter, 2009