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United States' 4.5" Gun M1

 

  4.5" Gun M1
Caliber 4.5"
Length of gun 16' 5.6"
Length of bore  
Rifling  
Length of rifling  
Weight traveling  
Weight in action 12,444 lb, 12,455 lb
5,654 kg
Elevation 65°
Traverse 53°
Muzzle Velocity 2,275'/sec
Range of shell 21,125 yards, 25,715 yards
23,529 kg
Shell weight 54.9 lb, 55 lb
24. 9 kg
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