{HEAD ~ 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 the original solid metal block 
machined from
{ HEAD ~ 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 the original solid metal block
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL 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