Photos of my first M1 Carbine

[new2brass]

Look closely at sling well mark, do you see JLB?
that crossed cannon is bigger then the Jewel CC

for the bolt look carefully on the lugs or on body of bolt under the small lug for a mark.

Recoil plate appears to have a line on the top, can you confirm. if so its a cast replacement

your front sight is a replacement when they upgraded rear sight and/or barrel band