Gun shop, gun shows, on line book stores.
If you don't have a manual, ask for help from a gunsmith.
online. easy.
Literally hundreds of pages of material have been written on the M1 Carbine, to include different marks used by contractors and subcontractors. Your best bet is to find a copy of Scott Duff's book(s) on the M1 Carbine.
It should if it fits on other kinds of M1 Carbines.
.30 Carbine
Are you referring to the M1 Garand, or the M1 carbine? A Garand can go anywhere from $500 to over $1000, all things dependent. An M1 carbine, generally, you'd be looking in the $400 - $700 range.
A rifle or carbine.
what is a m1 carbine worth
M1 carbines are semi-automatic and M2s are full automatic.
Try http://www.armscollectors.com/srs.htm
No sn data in the public domain.
M1 Carbine Or M1 Garand