{HEAD ~ The adapter} includes {TAIL ~ a mechanism} which cooperates with a retention catch of a rifle to effect registration of the adapter with the rifle and for allowing the magazine cartridge to be releasably connected to the adapter 
includes
{ HEAD ~ The adapter } includes { TAIL ~ a mechanism } which cooperates with a retention catch of a rifle to effect registration of the adapter with the rifle and for allowing the magazine cartridge to be releasably connected to the adapter
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH