Any Lyman A1 tang sight guru's out there?

[thorborg]

My new acquisition (Savage 99) has a Lyman A1 tang sight I intend to keep on it.
I found a few things on the internet but no exploded drawings or adjusting information.
Its travel has one upright detent which is forward from vertical by 10 or 15 degrees.
Is that the way it is, or...
Is the detent resettable?
How?
I assume it will work with the forward slant.
Also, the lock works well so I could lock it in the vertical but not having fired the rifle yet don't know if it will hold during recoil. if it does would invalidate the need for a detent.
I did not want to spend time Zeroing it then likely messing with it later.
And I know I will
Thank you in advance for any sage advice available.

Looks like it needs a spanner I do not have to disassemble?


A light and polite torque on this set flats did not budge though well lubed with Kroil.
I didn't want to apply too much energy before I knew what I was doing so let it go.

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[Mikej]

No help. Interested though.

 

[284guy]

This looks like it's on a savage 99, and if I remember it does that a spammer wrench. The other side with the flats doesn't turn, it's just to hold. At least that's my recollection, it's been 30 years since I've seen one taken apart.

 

[thorborg]

I found this by 99trix a Kindly soul that took the time to go above and beyond
Thank you kindly
Scrolling down to 99trix 's post will get you to the meat and potatoes of the pictorial

Misc. Good Info

 

[11Charlie]

Something about a tang site!! I have always wanted one on a rifle.

Watching with interest and good luck!

 

[thorborg]

Something about a tang site!! I have always wanted one on a rifle.

Watching with interest and good luck!

Thank you, albeit my quest has come to a conclusion; I was able to dissemble, clean and back together, but changing the detent location isn't going to happen. The detent location is fixed in the cradle, as is the sight and detent plunger to the trunnion, making the angle factory set. Of course subject to whatever the angle is on the tang of whichever gun it is mounted to.

 

[11Charlie]

So you think mounted on a different gun it would actually be straight up and down?

 

[284guy]

So you think mounted on a different gun it would actually be straight up and down?

Negative Ghostrider. The back of the receiver is curved, so it only fits that model. These older guns were fairly Model specific for accessories like a tang site.

 

[11Charlie]

Negative Ghostrider. The back of the receiver is curved, so it only fits that model. These older guns were fairly Model specific for accessories like a tang site.

Cool thanks!!

 

[Ura-Ki]

Looks like it has three settings for range, plus the adjustable diopter! Might have two more notches, but I cant find an image of said part number that shows for sure!

 

[Stomper]

Something about a tang site!! I have always wanted one on a rifle.

Watching with interest and good luck!

Who doesn't like to sight in on some tang? I mean REALLY!

 

[Ura-Ki]

I have a Ballard type that came with the last Colt, it's almost a shame to install it, but still! I like the Lyman's sturdy reliable, and accurate!

 

[thorborg]

Looks like it has three settings for range, plus the adjustable diopter! Might have two more notches, but I cant find an image of said part number that shows for sure!

it has over a half inch rise by turning the knurled knob
Pictures from the link above shows the apparatus: