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nuclearcricket
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lyman front lock ring [PDF loaded]
Mar 1st, 2015 at 10:27am
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As some of you know I took on the challenge of making front lock rings for some Lyman STS scopes. Quite a learning experience. One thing I did come to find out is that apparently they didn't make all their scopes the same. Seems that there are 2 different size Objectives on them. One about 1.450 or so and another about 1.6. For those interested I will be putting up a PDF on this subject in a day or 2 for those interested in how I made these lock rings.
Sam
« Last Edit: Mar 2nd, 2015 at 10:43am by nuclearcricket »  
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Chuckster
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Re: lyman front lock ring
Reply #1 - Mar 1st, 2015 at 10:49pm
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Would be interested in seeing how you did it. Those little rings are a pain.
Chuck
  
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nuclearcricket
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Re: lyman front lock ring
Reply #2 - Mar 1st, 2015 at 11:10pm
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Thank you Chuck, now that I have, I think, everything figured out, they are not all that bad, just as long as you can set your lathe up to cut 48 threads to the inch. I will be working on the pdf Monday after another long session with the snow blower.
Sam
  
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nuclearcricket
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Re: lyman front lock ring [PDF loaded]
Reply #3 - Mar 2nd, 2015 at 10:47am
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Here is the PDF hope you enjoy it. I had to make the pics a little smaller than I wanted to get it to fit, but it just fits now.
Sam
  
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shovel80
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Re: lyman front lock ring [PDF loaded]
Reply #4 - Mar 2nd, 2015 at 8:13pm
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Really a Nice Job!

Terry
  

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Ted T
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Re: lyman front lock ring [PDF loaded]
Reply #5 - Mar 6th, 2015 at 9:46pm
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Thanks for sharing that Sam. I got one of the rings and your work is amazing. It fits like a glove.

Take care,
Ted
  
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830singleshot
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Re: lyman front lock ring [PDF loaded]
Reply #6 - Mar 8th, 2015 at 3:50pm
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Here is a picture of the one Sam made for me.  It is the one with the flange in the middle.  Amazing work.
  

J. Scott McCash&&New Braunfels, TX&&830-237-2376&&jsmccash@yahoo.com
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pronechamp
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Re: lyman front lock ring [PDF loaded]
Reply #7 - Dec 12th, 2018 at 12:50pm
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Some good information here for those who might want to try this on their manual lathes.  Some searching on the internet might reveal sources of this material with thinner walls and less machining.  (6061-T6 an excellent choice for this purpose)

The two different diameters on the objective are likely the difference between Target Spot, long gone and Super Target Spot, only gone for a few decades..
  
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