Need some expert help w/my vintage lyman sight

[Mossyoak1957]

Took my new Savage 1899 250-3000 to the range today and everything worked flawlessly except I could not get the Lyman tang sight to move up or down, it's a Model 30 1/2 Lyman.

I didn't want to force it to turn, is there something I'm missing?? is there some sort of locking deal on it to keep it from moving??

Can anyone tell me what the little piece of metal is right above the adjustment knob,it almost looks like you can get your finger nail in it to do something,sorry to sound so ignorant but I never had any firearms with Lyman sights.

Here is a picture of the sight.

Thanks for any help!

[Pete44ru]

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I'm no expert, but I suspect that your tang sight might be a #1-A combination sight, which has a fold-down 2nd aperture built into the top.

The point you're referring to might be the smaller aperture's fold-down control.

(The Lyman #2-A uses screw-in apertures)

Is your sight marked as a #30-1/2 ?

Here's a #30-1/2:




For comparison, if your sight isn't marked, here's a #1-A:




The identifier is that the #30-1/2 has higher/thicker base immediately in front of the staff than does the #1-A


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[Mossyoak1957]

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I'm no expert, but I suspect that your tang sight might be a #1-A combination sight, which has a fold-down 2nd aperture built into the top.

The point you're referring to might be the smaller aperture's fold-down control.

(The Lyman #2-A uses screw-in apertures)

Is your sight marked as a #30-1/2 ?

Here's a #30-1/2:




My aperture screws in,here is a pic of the entire sight.

The little part Im talking about is where I have the half azzed arrow.....lol
I was thinking that is some sort of lock to prevent the knob from turning.,








For comparison, if your sight isn't marked, here's a #1-A:




The identifier is that the #30-1/2 has higher/thicker base immediately in front of the staff than does the #1-A


.

[Bronco]

I am no expert! Is it possible that locktite has bee used ??

[Tycer]

I bought a 1-a for my 1886 that was froze it up pretty tight. All it took was a couple of days of soaking and gently wiggling the knurled knob back-and-forth and back-and-forth and eventually it broke loose.

[Mossyoak1957]

don't think there is loc tight on it it does move back and forth a little bit,I'll keep working at it

[siberian505]

Try a little Kroil on it. That's a nice sight

[Shasta]

I recently had the same problem with an old Lyman tang sight. Even after liberal application of Kroil, the sight stem would not budge until I used pliers with leather padded jaws to firmly grip and force the stem to turn. It was just stuck from not having been used in years. It turns freely now and works as it should.

Shasta

[Griff]

Then again, a note dropped to Lyman may just clear the whole thing up!

[Chuck 100 yd]

In your picture,with the drawn arrow, I am not familiar with that particular sight but that little bump may be the end of a flat,leaf,spring set into the staff,center post, of the sight to act as a lock. Pressing the end of that little projection in towards the center of the staff would unlock it and allow the elevation
Adjusting sleeve to rotate. You said there was some movement in the adjuster so it sounds like it is not seized up.
I Have not seen this setup before but from many years of figuring out how mechanical things are designed my guess sounds reasonable.
I would , fold the sight down into transport position,press the little nub down with my thumb nail and try to rotate the adjusting sleeve. The little groove cut into the nub suggests that it is meant for just that. With no threads showing above the adjuster collar it seems it is at it's lowest setting now.
Good luck and let us know how it goes. Chuck

[Mossyoak1957]

I got the sight freed up, lubed it up overnight and it's free now.....thanks for all the input!