<P> A ballistic knife with a blade propelled by an explosive charge falls outside the Federal law pertaining to these devices, but still may be restricted as this makes it a firearm subject to the Any Other Weapons (AOW) category of the National Firearms Act . </P> <P> A knife was designed and developed during the 1970s at the order of the Russian Ministry of Defence and KGB of the USSR . </P>

Big knife that carried by knives in armour