hello ,,please ask new questions in a seperate post ,,sometimes we don't see your post inside another post or figure we already have answered it ,,that said when valueing a m1 carbine theres some things you should know,,first of is the corectness of the carbine ,,which means how much of it is original to the rifle ,,most carbines were rebuilt at sometime after a conflict,and updated items like a bayo lug and different safteys and mag releases ,,ect,,ect,,may have been added,,these additions make it a rebuild ,,i've seen alot of mixmaster carbines and there quite common ,,the barrel should have a makers marke and a date ,,the trigger group should be an inland marked housing with inland coded parts ,,the bolt should be inland and either round or flat depending on the serial number of the rifle and what came on it from the factory ,,the slide should be inland marked ,,the stock should be inland marked and should proably have other proofs in it like a crossed cannon proof or letters in a box,,all these increase the value if torrect to the rifle ..so to give an accurate value you would have to know the degree of correctness it is ,,and these factors can meen 100's of dollars difference in prices ,,a correct inland with all correct inland parts can be worth 1500+ to a us military collector or at a good military auction,,a usgi inland with some upgrade parts will bring 600-800+ if a real mixmaster of different manufacture parts or if import stamped i'd say it's still worth 500+,,again depending how many parts you can tie to inland
,, ,many were imported from overseas and these will bear a import mark ..usually on the barrel..the import stamp drops the value to around 450-600 depending how nice it is ,,some came back looking like they were drug behind a tank and some were nice ,,
,,for finding out whats right and whats wrong with your carbine i would recommend a book by joe poyer called U.S. M1 CARBINE: WARTIME PRODUCTION (5TH EDITION REVISED AND EXPANDED) cost about 20 bucks but it will show what should be and what shouldn't be on all carbines ,,a good investment for any carbine owner ,and can make the difference between 500-1000+ in original carbines when you go to sell them,,heres a link if it works if not just search the title or authors name and you'll find it,,it's the best easy to read and understand book out there,,he also has many other books that tell you everything from a-z about different military rifles ,,
link
http://www.gunshowbooks.com/cgi-bin/webc.exe/
st_prod.html?p_prodid=GS382449&sid=ED1k2DWN 
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