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United States' 4.5" Gun M1

 

  4.5" Gun M11,2
Caliber 4.5"2
Length of gun 16' 5.6"2
Length of bore  
Rifling  
Length of rifling  
Weight traveling  
Weight in action 12,444 lb2, 12,455 lb1
5,654 kg1
Elevation 65°2
Traverse 53°2
Muzzle Velocity 2,275'/sec2
Range of shell 21,125 yards2, 25,715 yards1
23,529 kg1
Shell weight 54.9 lb1, 55 lb2
24. 9 kg1
Armor penetration  
Breech mechanism  

Sources:

  1. US Army Handbook 1939-1945, George Forty, 1995
  2. Allied Artillery of World War Two, Ian V. Hogg, 1998
20th Century American Military History Crucial Site