Possible Underwood Carbine Purchase

[oldfoneguy]

Is there finish loss on the top of the left lug of your bolt ?

I ask after seeing your bottom view of receiver picture increased, it shows what appears to be filing where the bolts left lug would ride / rotate. Burrs are a issue to look for here since the bolts left lug rotation if it binds can lead to a broken right bolt lug. It's possible it had some burrs that were filed or sanded to smooth the area. Look and feel this area over closely. A piece of worn / oiled emery cloth works well to smooth the inside of the ledge out. Clean out all shavings and be sure to lightly grease both inside tracks that your bolt lugs ride in. Currently yours shows scars that extend outward, best they would run length wise with the rail.

Zoom in:

https://www.milsurps.com/attachment....7&d=1693421347

Yes Charlie there is some degree of finish wear but nothing out of the ordinary. In fact what's there is really in line with my 1955 Garand and M1A (purchased new 1986). Here is another receiver picture from a slightly different angle. As you can see the marks are circular and are in fact an end mill from when the receiver was manufactured 80 years ago. From the dead on shot only showing that small triangle of the surface it looks infinitely worse than it actually is. However I appreciate your concern, thank you. BTW that surface holds grease excellently and the action is both slick and smooth.

I apologize for the delay responding, I've been out of town and couldn't respond with the appropriate photos.