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Unread 01-14-2024, 08:09 PM   #1
Fred Patterson
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Default Round Marks on 1942 byf Luger

I remember reading about these but don’t remember where. Can someone tell me the significance of these marks? THANKS!
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Unread 01-14-2024, 08:10 PM   #2
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Struggling to add photos.
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Unread 01-14-2024, 09:32 PM   #3
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welcome to the forum!
You should be able to upload right to the forum, there will be a pop-up and then you upload the photos.
Ed
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Unread 01-16-2024, 11:30 PM   #4
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Here are Fred's pictures
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Unread 01-17-2024, 12:09 AM   #5
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those are tooling marks left from machining the recess.
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Unread 01-17-2024, 09:40 AM   #6
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Agreed. Most likely from an end-mill cutter.
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Unread 01-17-2024, 11:42 AM   #7
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Fritz, the Mauser machinist, had a bit too much beer the night before and got a little sloppy with his work. Me thinks.
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Unread 01-17-2024, 08:41 PM   #8
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Thanks to all for chiming in, and especially to Ed for helping with my photos. I recently acquired this BW and this was the biggest question about the Luger.

On a side note, I’m wondering if there is a Recovery Group for Luger addicts? I wanted ONE (1) Luger. I’m now at 8. I’m going to the po’ house … but I’m going well-armed! ������
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Unread 01-17-2024, 09:01 PM   #9
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As Gunbugs once posted, something close to: "We don't seek a cure, just control". Welcome to the addiction.
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Unread 01-17-2024, 11:58 PM   #10
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Quote:
Originally Posted by Eugen View Post
Fritz, the Mauser machinist, had a bit too much beer the night before and got a little sloppy with his work. Me thinks.
Sloppy work isn't the cause....it's the condition of the cutting tool and how sharp it is.

Tooling marks can also be seen on this C96.
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Unread 01-18-2024, 03:36 AM   #11
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velodog455~ is correct the marks are from an end mill machining process.
Luger's that have them have not gone through the final finishing stage ... this was due to war time manufacturing where the finish of the gun was less important than getting the gun to the soldiers @ the front.

I have never seen these milling marks on commercial Luger's but its possible.

As for your 'addiction' just be thankful you aren't addicted to collecting teaspoons or beer cans etc,
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Unread 01-18-2024, 07:04 AM   #12
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Well … yeah. There is that!
I feel much better now!
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Unread 01-30-2024, 11:14 PM   #13
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Quote:
Here’s
the rest of the’42 byf.
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Unread 02-28-2024, 01:10 PM   #14
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Fred
You have a beautiful 42 byf luger there. I have a byf 42 as well with a little more original bluing on mine. Mine has the wooden grip panels that match the number on the gun. If you would like to see some photos let me know.
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Unread 03-14-2024, 07:02 AM   #15
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all of the above info is true concerning the "END MILL" cutting tool, however those marks appear to me to be caused by the "END MILL" flexing as it cuts the material, which usually results from the speed of the bit as it though the material in relation to the speed in which the bit is turning.

even a sharp bit being pushed through the material faster than the bit can cut will result in the bit flexing leaving gouge marks deeper than the level that the bit is set at.

just my 2 cents
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