early M1 rifle bolts

[RCS]

Note the difference in the two early production bolts306463064730648

[GasTrapsForMe]

Very interesting. I've never really looked over my early bolts till I saw this. My no revision c1, is the same as your and my spare d1. How late have you seen these variations? Do you see it into the -1, or does it seem to stay in the no revision bolts? Kevin

[RCS]

I don't think the variation goes into the revision 1 bolts which started to appear in the 12K serial range, but could be wrong.

[blackhawk2]

On My C1, RH side rear, I have the following stamped just before the radius, 2 each - -, and the an underwood U....regards....alex