Need some more ID help Rimfire again

Last one today
I.D. please
I know, should buy a book. :-)

Thank you

Anyone

The 1

Alex-#1 is a .56-46 Spencer (Long Neck), probably by U.S.C.Co.
#2 is a .44 Long
#3 is a .46 Extra Long probably by U.M.C.
#4 is a .44 Extra Long probably U.M.C.
#5 is a .56-46 Spencer (Short Neck) by W.R.A.Co.

Thank you very much.