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US M Series Knife Bayonets PDF Print E-mail
Written by Carl A. Bogar, Jr.   
Wednesday, 01 September 2010 23:50
US M Series Knife Bayonets


The United States, starting in 1943 changed how the military designated bayonets.  Before 1943, a bayonet's model number included the year the military accepted the model into service.  Hence an M-1906 bayonet meant the military accepted the design in the year 1906.  The bayonets were also a serialized part of the rifle.  The last of the bayonets using this system was accepted in 1942.  In 1943, the system was change to model one, then two and so forth.   The serial numbers were also removed from the bayonets because it was impossible to keep the rifle and bayonet with matching serial numbers together.

Parts of an Edged Weapon:


The muzzle ring is part of the crossguard.  Starting on the M-3 the style of the bayonet is stamped on the crossguard.  The manufacturer is also stamped on the crossgurad.

 

Knife Bayonet M-1 or M-1905E1:
HMI Item: 11-23-04-0009-1
The United States introduces the M-1 in 1943.  The bayonet was made for the M-1 Gerrand service rifle. The overall length on the M-1 was 294mm and the blade was 168mm.  To meet the need of the United States military engaged in World War II the decision was made to cut down the M-1905 and M-1942 bayonets to the new shorter length, these cut down bayonets were designated the M-1905E1. The quick way to tell the difference between the M-1 and M-1905E1 is the Fuller or blood groove. On the M-1905E1 the fuller will run out the point, on the M-1 the fuller is complete on the blade.  The photo is of an M-1905E1 originally an M-1942.

 

Knife Fighting M-3:
HMI Item: 11-23-04-0011-1
The M-3 Fighting Knife was introduced during World War Two and issued normally to paratroopers.  The Fuller is missing a muzzle ring to attach to any service rifle.  The M-3 is also missing a press stud and any means to lock it on to the rifle.  The M-3 was given to personnel that were issued the M-1, M-2 carbine or the M-1911A1 pistol.  This M-3 was made by Carmillus and is a third pattern fighting knife.  The overall length of the M-3 was 294mm and the blade length was 197mm.  Note: there is no M-2 bayonet or fighting knife, this means the edged weapon that was given to the military and assigned M-2 did not meet military requirement and was not adopted.
There were three patterns of the M-3 fighting knife:

 

  • First pattern: had US M3, the manufactures name, and the date 1943 on the blade.   "U.S. M3 CASE 1943"
  • Second pattern:  had US M3, the manufactures name, and no date on the blade.   "U.S. M3 CASE"
  • Third pattern: move the information to the crossguard, on top US and M3, below the manufactures name.  The manufactures name was in smaller print.  This is the normal location for all bayonets produced by the United States.
The M-3 fighting knife was produced by nine manufactures:
  • Aerial, (Aerial Cutlery Mfg. Co.)
  • Boker, (H. Boker & Co.)
  • Camillus, (Camillus Cutlery Co.)
  • Case, (W.R. Case & Sons)
  • Imperial, (Imperial Knife Co.)
  • Kinfolks, (Kinfolks Inc.)
  • Pal, (Pal Blade & Tool Co.)
  • Robeson, (Robeson Cutlery Co.)
  • Utica, (Utica Cutlery Co.)

 

 

Knife Bayonet M-4:
HMI Item: 11-23-04-0007-1 & 15-23-04-0003-1
In 1944, the United States adopted the M-2 Carbine that had a bayonet lug on it.  The U.S. Army also ordered that all M-1 carbines be retrofitted to become M-2 carbines.  The key difference was the M-2 had a selector that allowed semi-auto and full auto fire.  The first M-4 looked like the M-3 with a muzzle ring on the crossguard and a press stud on the pommel.  The M-4 bayonet remained in service to the early parts of the Vietnam Conflict.  However, on the later M-4's the leather grip material was replaced by black plastic.  The above photo shows the Vietnam M-4 made by TMN on top and the World War Two M-4 made by Camillus on bottom. The overall length of the M-3 was 294mm and the blade length was 197mm.

 

Knife Bayonet M-5:
HMI Item: 12-23-04-0002-1
During the Korean Conflict the United States again made the decision to reduce the size of the bayonet for the M-1 Gerrand service rifle and the M-1 or the M-1905E1 were again cut down.  However, a new bayonet was adapted for the M-1 service rifle.  The new M-5 bayonet was 229mm in overall length and had a blade of 171mm.  The crossguard did not have a muzzle ring but instead had pins that went into the gas plug on the front of the rifle.  The press stud was moved back to the underside of the grip.  This M-5 was made by Imperial.

 

Knife Bayonet M-6:
HMI Item: 15-23-04-0001-1
The M-6 Bayonet was introduced to fit on the M-14 service rifle.  The only difference between the M-5 and M-6 was the muzzle ring was bigger on the crossguard.  The overall length on the M-6 was 229mm and the blade length was 165mm. This M-6 was made by Milpar.

 

Knife Bayonet M-7:
HMI Item: 15-23-04-0002-1
The M-7 Bayonet was introduced to fit on the M-16 series of service rifle.  The M-7 is identical to the M-4 Vietnam model of bayonet.  The only difference is the size of muzzle ring.  The overall length on the M-7 is 295mm and the blade in 165mm. The muzzle ring for the M-16 is a large 22mm.  This example was made by Imperial.

 

Knife Bayonet M-9:
HMI Item: 18-23-04-0001-1
The M-9 Bayonet is also for the M-16 series of service rifles.  The M-9 was introduced in 1987 and adopted by the U.S. Army.  The hole in the blade hooked into the scabbard and allowed the bayonet to be used as a wire-cutter.  The original M-9 were made by Buck and made in black.  Today the M-9 is made by many makers and they come in black, green, coyote brown, and gray.  The overall length is 311mm and the blade is 182mm.  This M-9 was made by Ontario Knife.

 

Knife Fighting M-10:
The M-10 Bayonet is the newest member of the of the line of U.S. bayonets and is now being used by the United States Marine Corps.  Historic Military Impressions at this time does not have an example of the M-10 in our collection.

 

US Bayonet Scabbards:

 

A:

The scabbard for the M-1 and the M-1905E1.

 

B, M-8:
The scabbard for all bayonets from the M-3 to the M-7. Introduced in World War Two.

 

C, M-8A1:
The scabbard for all bayonets from the M-3 to the M-7.  The difference between the M-8 and M-8A1 is the metal tip on the end of the scabbard.  Introduced in World War Two.

 

D, M-10:
The scabbard for the M-7 bayonet.  However, all the bayonets from the M-3 to the M-7 will fit in it.  Introduced in the late 1980's.

 

E:
The scabbard for the M-9 bayonet.  Introduced in 1987.  Note: The tip for attaching the bayonet for cutting wire.

 

 

To learn more about the M-1919A4 we have available in our gift shop a booklet on the M-1919A4 for Just $3.00.  The funds from the sale of our booklets go to our building fund.  To find out more just click on the image of the booklet.

Thank you for reading,
Carl A. Bogar, Jr.
Founder
Historic Military Impressions.
Carl Bogar

Last Updated on Friday, 08 March 2013 02:55
 
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