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Joined: Jan 2004
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Sidelock
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OP
Sidelock
Joined: Jan 2004
Posts: 6,703 Likes: 406 |
I'm looking for a Lyman 77 Front sight. It is detachable much like a Lyman Supertarget spot detaches from its blocks. Anyway, I found one designated "AK". Does that code for something like the size of the dovetail it will fit? I can't measure it directly so I'm trying to find out what size of a dovetail it will fit.
Thanks,
Brent
_________ BrentD, (Professor - just for Stan) ![[Linked Image from i.imgur.com]](https://i.imgur.com/qclHjMQ.jpg)
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Joined: Feb 2002
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Sidelock
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Sidelock
Joined: Feb 2002
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The AK code is the heigth of the base itself that the sight attaches to.
They sold 5(?) different dovetail heigth bases ,,the AK was the lowest. I think it's .185 tall not including the dovetail itself. Dimension is supposed to be from the top of the bbl.
I don't recall what size te dovetail is on those bases.
They also sold a round bottom base to attach w/ 2 screws to the bbl. Same idea,,had several heigth options all with a different letter code.
The sight itself came in two different heights,
77R (regular) and a 77H (High).
I don't recall what the heigth difference is between the two but betw the 2 sight heights and the different bases you could pretty well get the needed heigth you wanted on a particular rifle.
Hope this helps.
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Joined: Jan 2004
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Sidelock
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Sidelock
Joined: Jan 2004
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Yes, that helps immensely. Height is ultra important on my .45 muzzleloader. Getting low enough to shoot 200 yds is a real challenge and I have to switch out rear sight staffs and go to a noncentered front aperture to do it. I would love to have front sights of that would be easy to trade on and off. I'll have to search for some of the taller combinations.
Thanks again.
Brent
_________ BrentD, (Professor - just for Stan)
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Sidelock
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Sidelock
Joined: Oct 2006
Posts: 727 Likes: 22 |
Any of that style Lyman that slides on a target scope style base will end up being pretty tall just because of the added base. I have a couple I use in conjunction with long range vernier tang sights, but trying to use them with mid range can even limit distances I shoot.
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Joined: Jun 2008
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Sidelock
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Sidelock
Joined: Jun 2008
Posts: 5,532 Likes: 169 |
Last edited by skeettx; 10/25/17 04:06 PM.
USAF RET 1971-95 ![[Linked Image from jpgbox.com]](http://www.jpgbox.com/jpg/57865_80x60.jpg)
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Joined: Jan 2004
Posts: 6,703 Likes: 406
Sidelock
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OP
Sidelock
Joined: Jan 2004
Posts: 6,703 Likes: 406 |
_________ BrentD, (Professor - just for Stan)
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Joined: Oct 2006
Posts: 727 Likes: 22
Sidelock
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Sidelock
Joined: Oct 2006
Posts: 727 Likes: 22 |
If that guy gets $97 I'm selling all of mine!
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Joined: Feb 2002
Posts: 1,850 Likes: 150
Sidelock
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Sidelock
Joined: Feb 2002
Posts: 1,850 Likes: 150 |
I ran accross this in 'Old Gunsights' / Strobel
Lyman 77R - .451 high
77H - .773 high
Heigth is to center of aperture.
Dovetail Bases
AK - .185
BK - .260
K - .300
KK - .370
Height of dovetail style base does not include bbl dovetail attachment itself.
When attached and installed, O/A height will be from the bbl surface to the center of the aperture.
Screw on bases
A - .167
B - .225
C - .315
D - .415
E - .475
77 sight uses same inserts as the 17A Target Front sight.
*****
I read all the #'s w/o my glass, but I think they are correct!
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