No, the Ka-Bar is not a bayonet.
kabar
The US Army issues several types of knives, and in addition to that soldiers can carry their own knife or knives. Most popular and widespread models are Buck M9 field knife, which also doubles as a bayonet, Kabar and Ontario military knives. During Vietnam era SOG bowie was issued as a standard knife.
A rifle with a bayonet.
Bayonet or sword?
Bayonet.
The knife at the end of a gun is called the bayonet.
Do you possibly mean a knife that is attached to the front of a rifle? If so, that is a bayonet.
The knife attached to a rifle (Not Riffle) is called a "Bayonet".
A knife on the end of a gun
Bayonet
sword, knife, bayonet
Bayonet