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Bulseyetom
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Lyman tang sight stem question
Nov 4th, 2018 at 12:24pm
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I have two original tang sights for my Stevens 44 1/2, one a Lyman 103 and the other a non-windage adjustable Lyman.  When I bought a #1 Rolling block this year it had been drilled and tapped for a tang sight but at 1.52" center to center so my Stevens sights do not allow me to use both holes but I was able to successfully hunt with it this past month using only the front screw hole.  My problem is that the stem is really too short for the bullets and loads that I want to use.  My thought is to have a spacer machined and drilled to 1.52" with another set of tapped holes slightly forward at 1.50" to allow use of my sight.  To keep the height of the spacer to a minimum I was wondering if longer stems were available for my current sight which is 1.6" give of take from the bottom to the center of the aperture.  Tom
  
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Redsetter
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Re: Lyman tang sight stem question
Reply #1 - Nov 4th, 2018 at 4:09pm
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Bulseyetom wrote on Nov 4th, 2018 at 12:24pm:
I was wondering if longer stems were available for my current sight which is 1.6" give of take from the bottom to the center of the aperture. 


Only if you rob one from another sight. Can you get by with a lower front sight?  Then you won't need as much elevation adjustment.


  
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svartkruttgris#369
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Re: Lyman tang sight stem question
Reply #2 - Nov 4th, 2018 at 4:50pm
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Another solution is to "slot" one of the screw holes in base a small amount, allowing use of 1,50" spaced hole, and add a simple spacer. That is what lazy guys like me would do.
  
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BP
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Re: Lyman tang sight stem question
Reply #3 - Nov 4th, 2018 at 5:05pm
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Slotting the bases of good original unaltered Lyman tang sights shoots their resale value to hell real fast too.
  

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Bulseyetom
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Re: Lyman tang sight stem question
Reply #4 - Nov 4th, 2018 at 5:30pm
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I have put on the shortest front sight I can buy and with 270 grain bullets I am some 4" low compared to my 235 grain bullet.  My stem is all the way to the top.  I am worried that a half inch riser will look terrible but then again I don't look to good myself!  Shocked. Tom
  
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svartkruttgris#369
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Re: Lyman tang sight stem question
Reply #5 - Nov 4th, 2018 at 5:38pm
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BP wrote on Nov 4th, 2018 at 5:05pm:
Slotting the bases of good original unaltered Lyman tang sights shoots their resale value to hell real fast too.


0,02". Must be some real picky jerks out there.
  
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svartkruttgris#369
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Re: Lyman tang sight stem question
Reply #6 - Nov 4th, 2018 at 5:45pm
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Bulseyetom wrote on Nov 4th, 2018 at 5:30pm:
I have put on the shortest front sight I can buy and with 270 grain bullets I am some 4" low compared to my 235 grain bullet.  My stem is all the way to the top.  I am worried that a half inch riser will look terrible but then again I don't look to good myself!  Shocked. Tom


Put a Marbles base and longish shaft on it, using Steven's screws and original holes. Modify Marbles base as needed. Works really good on my late 1800s Swedish roller that has high fixed front sight. Plenty of elevation for at least 300M zero with loads at BP velocities.
  
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BP
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Re: Lyman tang sight stem question
Reply #7 - Nov 4th, 2018 at 5:54pm
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svartkruttgris#369 wrote on Nov 4th, 2018 at 5:38pm:
BP wrote on Nov 4th, 2018 at 5:05pm:
Slotting the bases of good original unaltered Lyman tang sights shoots their resale value to hell real fast too.


0,02". Must be some real picky jerks out there.

Or people who save their money for those collectable items that haven't been Parkenfarkered.


Tom,

Why don't you make an overlong temporary stem out of a small wood dowel or a plastic swizzle stick to slip-fit down into the top of the Lyman sight's Joint Assembly (the part with the knurled barrel to change elevation), and then slowly shorten it as needed until you get your bullet impact where you need it to be?
Then you've got an actual measurement you can compare to your existing 1.6" height, and you can see what spacer thickness you'll actually require, and then you can take it from there.
« Last Edit: Nov 4th, 2018 at 6:11pm by BP »  

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svartkruttgris#369
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Re: Lyman tang sight stem question
Reply #8 - Nov 4th, 2018 at 6:53pm
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Tom,
Here is link to Marble tang peeps I mentioned.
(You need to Login or Register to view media files and links)

While they don't make any bases specifically for old Steven's rifles there is good chance of finding one that is close enough to modify to fit, so long as matching angle twixt tang and staff. All I have seen have lower hole widely slotted, so maybe only remaining issue be having screws that fit your rifle. Then is matter of picking whichever staff is long enough. I have been using their next-to-longest staff quite happily for many years on both remington and winchester pattern single shots.

Once fitted with longer Marbles staffs, those precious old sights can be put in padded box to await their next owner.
  
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Bulseyetom
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Re: Lyman tang sight stem question
Reply #9 - Nov 4th, 2018 at 7:04pm
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When I had CPA rebuild my Stevens I bought one of the new Marble Sights.  I gave up on it right off and found two original Lyman sights although I would have been happy to have found a Marble.  I though so highly of that new model Marble that I gave it away to one of the members here.  I think I even paid the postage.  Tom
  
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svartkruttgris#369
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Re: Lyman tang sight stem question
Reply #10 - Nov 4th, 2018 at 7:40pm
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Really! I have had good to excellent service from two of the Marble bases and the longer staffs. I will say that the quality of the shorter staffs has been so bad that I too gave them away -- one went straight to garbage can. Those two staffs and their bases have been in constant use for more than a decade for metallic silhouette shooting and still give reliable, repeatable sight settings.
  
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Bulseyetom
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Re: Lyman tang sight stem question
Reply #11 - Nov 4th, 2018 at 8:49pm
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The problem I had with the short st a f2f sight is that it flopped around to and fro like a sheet in the wind on the clothesline.  I have one new style Marble for an 1895 Winchester that I might dig out of the box and see what a longer staff would do.  Are your sights the so called improved with adjustable windage?  Tom
  
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Re: Lyman tang sight stem question
Reply #12 - Nov 4th, 2018 at 9:15pm
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If new Marble's sights could be bought for what they're worth--say 50 bucks--it would make some sense to try to use them... assuming you were on a tight budget.  But when you've got to pay almost as much as the cost of a vintage Marble's or Lyman, it's money foolishly thrown away.
  
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svartkruttgris#369
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Re: Lyman tang sight stem question
Reply #13 - Nov 4th, 2018 at 9:49pm
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Bulseyetom wrote on Nov 4th, 2018 at 8:49pm:
The problem I had with the short st a f2f sight is that it flopped around to and fro like a sheet in the wind on the clothesline.  I have one new style Marble for an 1895 Winchester that I might dig out of the box and see what a longer staff would do.  Are your sights the so called improved with adjustable windage?  Tom


Yes - Improved & windage adjustable bases. 

The two shortest staffs could not be tightened to not wobble nor would they stay tightened into the bases -- really crap! Something had clearly gone wrong with making the shorter staffs.

Three copies of the next to longest and one of the next size shorter all fit snugly into bases and set screws tightened nicely and stayed tight. These were among the first Marble sights I ever bought Yes, the windage adjustment on those bases also worked well. Futhermore, the ones that worked well have snug vertical adjustments in the staffs, which the crappy ones did not.

My experience with the shorter staffs seemed to be common.
  
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svartkruttgris#369
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Re: Lyman tang sight stem question
Reply #14 - Nov 4th, 2018 at 9:57pm
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Redsetter wrote on Nov 4th, 2018 at 9:15pm:
If new Marble's sights could be bought for what they're worth--say 50 bucks--it would make some sense to try to use them... assuming you were on a tight budget.  But when you've got to pay almost as much as the cost of a vintage Marble's or Lyman, it's money foolishly thrown away.


Vintage tang sights were never a realistic option for me and a failing master eye has just about totally nixed all tang sights, especially once I lost ability to shoot with both eyes open. Now only off-set scopes or handguns are real options for anything not solidly rested and shot left-handed.
  
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