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 Post subject: Ivory beads on Knick rib
PostPosted: Sun Apr 05, 2020 12:05 pm 
Diamond Grade
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Joined: Mon Jun 20, 2005 10:45 pm
Posts: 1353
Location: Western New York
I recently acquired a 37 Trap Grade with twin ivory beads on its 30-inch Knick-ribbed barrel. The front bead is slightly chipped, but I'm thinking I might be able to rotate it about a quarter turn to put the chip facing out toward the target and present the nice round remainder back toward the receiver to give a proper sight profile.

My question is this: how are these ivory beads installed? Are they on a threaded shaft? Pressed in? How do you remove or rotate them without mangling or crushing them?

I'd also like to know in case I decide to have the barrel reblued and would need to remove them. They are a wonderful period-correct touch, and I'd like to do everything I can to retain them if possible.

Any and all experience and advice most appreciated.




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 Post subject: Re: Ivory beads on Knick rib
PostPosted: Sun Apr 05, 2020 12:13 pm 
Diamond Grade

Joined: Wed Apr 18, 2012 7:44 pm
Posts: 1268
Location: Ohio
I believe they are threaded. As I recall this topic came up a few years ago, of course plastic reproductions are available. I think Dr Cook also came across some replacements that where made out of Mastodon or some other similar material that is politically correct made replacement.

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 Post subject: Re: Ivory beads on Knick rib
PostPosted: Sun Apr 05, 2020 1:59 pm 
Diamond Grade

Joined: Wed Jun 20, 2012 11:31 pm
Posts: 1357
Brownells has the Mastadon ivory beads 6/48 thread. Not all that pricey. Were me I'd use a bead tool. (Which they also have.)


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 Post subject: Re: Ivory beads on Knick rib
PostPosted: Sun Apr 05, 2020 4:04 pm 
Crown Grade

Joined: Sun Dec 09, 2007 11:12 am
Posts: 4912
Location: WA/AK
Most of the original Lyman ivory beads were press-fit.

Image

They are pretty darn easy to break. I sure wouldn't try turning it unless I had a NOS one in hand to replace it.


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 Post subject: Re: Ivory beads on Knick rib
PostPosted: Mon Apr 06, 2020 11:01 am 
Diamond Grade
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Joined: Sun Feb 14, 2016 11:00 pm
Posts: 1013
Location: Wisconsin
Hello, Steve. I believe Researcher is correct. Yours in a 1951 model, correct? The advertising from 1950 says that it has "Lyman front and rear ivory sights". https://www.ebay.com/itm/173907533213
Looking at the picture of your front sight from Gunbroker, you can see the tapered Lyman base. You might have luck applying heat to loosen the glue... try it at your own risk


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 Post subject: Re: Ivory beads on Knick rib
PostPosted: Mon Apr 06, 2020 3:09 pm 
Crown Grade

Joined: Wed Dec 21, 2005 11:09 am
Posts: 2563
The front bead on my Knicks are a 6-48 thread.


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 Post subject: Re: Ivory beads on Knick rib
PostPosted: Tue Apr 07, 2020 11:07 am 
Diamond Grade
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Joined: Mon Jun 20, 2005 10:45 pm
Posts: 1353
Location: Western New York
Thanks for all the information, gentlemen. I'll have to look more closely and see whether I can detect any further signs of whether they are screwed in or press-fit.

I'm going to try to remove them before I have the barrel reblued, but Plan B will be to replace them with new Bradley-style beads if the original ivories cannot be removed and then reinstalled. Being ivory, I'm sure they are delicate. They certainly are handsome, and I'm going to make every attempt to preserve them somehow.

Again, many thanks for the insight and advice.


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 Post subject: Re: Ivory beads on Knick rib
PostPosted: Tue Apr 07, 2020 9:02 pm 
Diamond Grade
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Joined: Mon Apr 15, 2013 1:23 pm
Posts: 1447
Location: Upstate NY
They are usually press fit as the ad states from Researcher. You can still buy them. I order them through Brownells. I've replaced some on 37's and they all have been press fit. Old ones can be drilled out once you break the remains of the old bead off. Obviously you have to be careful. I tape the barrel off. I use some locktite or something like it to hold them in. Never had an issue. Also the front bead can be painted red to match skeet barrels. Testors model paint works great and it's easy to touch up.

I have a reblued barrel in my safe waiting for replacements. If you have the barrel reblued they will usually fall out anyway.

The new ones are obviously not ivory and I am not so sure the originals were real ivory. Not sure when they would have went to non-real ivory.

Good luck.


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 Post subject: Re: Ivory beads on Knick rib
PostPosted: Fri Apr 10, 2020 10:01 pm 
Tournament Grade

Joined: Mon Jan 05, 2009 9:58 pm
Posts: 273
Location: Western TN
Of course, every once in a while you might happen onto some NOS Lyman beads.

They can be a little pricey but worth it in my opinion.

Will


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 Post subject: Re: Ivory beads on Knick rib
PostPosted: Sat Apr 11, 2020 10:29 pm 
Diamond Grade
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Joined: Mon Jun 20, 2005 10:45 pm
Posts: 1353
Location: Western New York
Fowlgunner wrote:
Of course, every once in a while you might happen onto some NOS Lyman beads.

They can be a little pricey but worth it in my opinion.

Will


Where do these turn up? Ebay? Gunbroker? Elsewhere?


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 Post subject: Re: Ivory beads on Knick rib
PostPosted: Sun Apr 12, 2020 9:57 am 
Tournament Grade

Joined: Mon Jan 05, 2009 9:58 pm
Posts: 273
Location: Western TN
All of the above.

I have picked up several of the years.

Will


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 Post subject: Re: Ivory beads on Knick rib
PostPosted: Mon Apr 13, 2020 2:53 pm 
Diamond Grade
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Joined: Mon Apr 15, 2013 1:23 pm
Posts: 1447
Location: Upstate NY
I’ll see if this works. Trying to post some photos from my phone I just got done replacing both beads on 37T #808 This gun has a rare 32 inch barrel.

Direct replacements from Brownells made by Lyman. Both drop in.


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Last edited by IthacaMatt on Mon Apr 13, 2020 3:06 pm, edited 1 time in total.

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 Post subject: Re: Ivory beads on Knick rib
PostPosted: Mon Apr 13, 2020 2:58 pm 
Diamond Grade
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Joined: Mon Apr 15, 2013 1:23 pm
Posts: 1447
Location: Upstate NY
Some more.....


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 Post subject: Re: Ivory beads on Knick rib
PostPosted: Mon Apr 13, 2020 3:03 pm 
Diamond Grade
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Joined: Mon Apr 15, 2013 1:23 pm
Posts: 1447
Location: Upstate NY
Here’s one I replaced and painted red for a skeet grade 37. 37S Guns came with red beads.


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 Post subject: Re: Ivory beads on Knick rib
PostPosted: Mon Apr 13, 2020 5:41 pm 
Diamond Grade

Joined: Wed Apr 18, 2012 7:44 pm
Posts: 1268
Location: Ohio
What do you use to press in the new one?

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 Post subject: Re: Ivory beads on Knick rib
PostPosted: Mon Apr 13, 2020 7:16 pm 
Diamond Grade
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Joined: Mon Apr 15, 2013 1:23 pm
Posts: 1447
Location: Upstate NY
Just a little tap with small rubber hammer with cushioning between. i also use a little loctite adhesive on end before they go in the hole. Always do a test fit. Sometimes a little drilling needs to be done to make sure they seat in properly.


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 Post subject: Re: Ivory beads on Knick rib
PostPosted: Tue Apr 14, 2020 9:23 pm 
Field Grade

Joined: Thu Dec 20, 2012 10:51 pm
Posts: 86
This is great information Ithaca Matt. Thanks for sharing!

Incidentally, I was able to remove and reinstall a mid-rib bead on the barrel I just reblued. I did this prior to this thread and I assumed it was threaded. Twisting with heavily taped smooth bent nose pliers did the trick and reinstall was accomplished by pushing it against soft wood surface. Sounds like I got lucky.


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 Post subject: Re: Ivory beads on Knick rib
PostPosted: Thu Apr 16, 2020 3:31 pm 
Diamond Grade
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Joined: Mon Jun 20, 2005 10:45 pm
Posts: 1353
Location: Western New York
Thanks for the pics, Matt--especially of the Lyman packaging with part numbers; I'll now know exactly what to order. And those look beautiful installed--very close to what I've got on my barrel right now, except whiter because they are newer (old ivory takes on that slightly yellowed, creme color). I'll take a crack at removing mine before I send the barrel off for bluing. If I can't get them out, I'll just send along the new beads and have the shop do the removal/reinstall.




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