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