the cavity of {HEAD ~ the unitary one piece} elongated metal blank firing barrel has a depth 10% shorter than the cavity of the live ammunition firing barrel so that {TAIL ~ the selected live ammunition caliber round} for the handgun cannot be positioned inside of the cavity of the unitary one piece metal blank firing barrel, 
the cavity of { HEAD ~ the unitary one piece } elongated metal blank firing barrel has a depth 10 % shorter than the cavity of the live ammunition firing barrel so that { TAIL ~ the selected live ammunition caliber round } for the handgun can not be positioned inside of the cavity of the unitary one piece metal blank firing barrel ,
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH