FIG 2 shows {TAIL ~ a side view} of a modified blank cartridge for {HEAD ~ use} with the novel replaceable blank firing barrel 
FIG 2 shows { TAIL ~ a side view } of a modified blank cartridge for { HEAD ~ use } with the novel replaceable blank firing barrel
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH