eBay M1 Carbine Stock - another Circle K marking?

[USGI]

Thanks, Charlie. I wonder about the P on the grip, too. Doesn't seem like that would be there unless there would be a rebuild mark somewhere else. The same seller has another stock on eBay right now with the same size IO mark in the well, but also has an O in the barrel channel. I don't believe the K stock had the M2 cut but this next one does. The CC on this one (not a surprise) looks identical to the one on the K stock. - Bob

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[painter777]

I don't believe the K stock had the M2 cut

GI Bob,
The K stock does have the M2 Selector cut.
I didn't see the P picture. Prolly a inspection, firing P proof stamp after a action was put in it.
I can't recall who it was but one of the guys got a IBM or Stan Pro from CMP that came wearing a Circle K stock.
It might be possible that the circle K stock isn't a IO stamp but instead a # l0, ??

This other stock looks OK with the IO slingwell stamp (not as big and round O).
CC does look like the other.
Seeing the milling near the recoil recess and the barrel channel (Long) with the round wood plugs, along with that light oi.
Is a Inland stock.
But appears in pic #6 to have been sanded on the front and bottom of the grip.