The knife at the end of a gun is called the bayonet.
a big knife at the end of a gun./
fedora whip gun knife satchel
A knife on the end of a gun
The knife on the end of a gun is a bayonet.
ballistic knife
Knife is to Stab, as Gun is to Shoot.
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Bayonet.
bayonet
A knife attached the the end of a soldiers gun.
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The butt