The technical field of this invention relates to firearms and more particularly to {HEAD ~ an improvement} in {TAIL ~ a means} for adapting a different caliber sized magazine cartridge for firing in a firearm 
in
The technical field of this invention relates to firearms and more particularly to { HEAD ~ an improvement } in { TAIL ~ a means } for adapting a different caliber sized magazine cartridge for firing in a firearm
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH