The blank firing barrel can be machined from {TAIL ~ a solid block} of metal such as stainless steel so that the barrel end is a contiguous portion of {HEAD ~ the original solid metal block} 
The blank firing barrel can be machined from { TAIL ~ a solid block } of metal such as stainless steel so that the barrel end is a contiguous portion of { HEAD ~ the original solid metal block }
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD