M3 Fighting Knife

The M3 Fighting Knife is an US military knife designed before 1943 . Used by soldiers and special units without bayonets in close-combats like airborne troops , rangers and air crews.The processing of creation was very simply , trying a faster production and  saving expensive metals like used in   blades  made of carbon steel.
During wartime were known  at least 10 different companies manufacturing this combat knife like Aerial Cutlery Co., W. R Casey and Cutlery sons.,Imperial Knife Co., PAL Cutlery Co, Camilus Cutlery Co., Robeson (ShurEdge) Cutlery Co., Kinfolks Inc., Utica Cutlery Co., and H. Boker & Co than still producing later models like M4, M5, M6 and M7 bayonets.