i need help with m1 carbine

[kwonnypooh]

hello i need help, i got a m1 carbine and i was woundering about, How do you you determine the manufacturer of a 30 caliber M1 carbine(receiver) ?
all i can see was W.R on upper side of receiver. THESE MARKING ARE ON right (W) and left (R) side of rear sight. please be kind enough let me know, thank you.

 

[andygumpers]

I had one that was marked under the stock on the right side. Mine was An Iver Johnson made one. Take the stock off and have yourself a look.

 

[gunsdora]

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