The open end of {HEAD ~ the blank firing barrel} can be sized to only accept ammunition being smaller in diameter than {TAIL ~ regular ammunition} that is used for the handgun 
The open end of { HEAD ~ the blank firing barrel } can be sized to only accept ammunition being smaller in diameter than { TAIL ~ regular ammunition } that is used for the handgun
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH