Abstract: A knife/bayonet device is provided which is useful as both a knife and as a bayonet adapted to be mounted on a barrel portion, e.g., muzzle brake, of a rifle having a groove therein. The device includes an integral knife/bayonet component including a hollow handle portion and a blade. The handle portion is adapted to fit onto the barrel portion of the rifle and includes a locking groove having an opening therein extending through the handle portion. A locking ring received in the locking groove includes a detent portion adapted to extend through the opening in the locking groove to engage in the groove in the barrel portion of the rifle and thereby secure the knife/bayonet component to the rifle. A multi-purpose butt cap is adapted to be received in one end of the handle portion, and a storage canister is adapted to be affixed to the butt cap.

Abstract: A knife/bayonet device is provided which is useful as both a knife and as a bayonet adapted to be mounted on a barrel portion, e.g., muzzle brake, of a rifle having a groove therein. The device includes an integral knife/bayonet component including a hollow handle portion and a blade. The handle portion is adapted to fit onto the barrel portion of the rifle and includes a locking groove having an opening therein extending through the handle portion. A locking ring received in the locking groove includes a detent portion adapted to extend through the opening in the locking groove to engage in the groove in the barrel portion of the rifle and thereby secure the knife/bayonet component to the rifle. A multi-purpose butt cap is adapted to be received in one end of the handle portion, and a storage canister is adapted to be affixed to the butt cap.