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Rib Matting Terminations
Unread 05-03-2010, 10:22 AM   #1
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Default Rib Matting Terminations

In view of the previous thread questioning cut barrels on the basis of rib matting terminations, here are two uncut, original length, undressed, barrel ends.

1. 1927 DHE 20/32

2. 1910 DHE 20/24
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File Type: jpg Whitewater 013.jpg (85.6 KB, 9 views)
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Unread 05-03-2010, 10:44 AM   #2
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Bruce,
Here's another variation on some uncut 30" 16 gage barrels.
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Unread 05-03-2010, 11:15 AM   #3
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Here is a 32" ,DHE ,That letters correctly and is uncut !
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Unread 05-03-2010, 12:08 PM   #4
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Never say "Never".
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Unread 05-03-2010, 03:38 PM   #5
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I think a collection of rib termination photos that is available on our home page is in order. Seems it's an issue that comes up often enough and that there's more variation than folks might have thought. I can contribute one of a 1918 factory cut 26" GHE12. S/N 180459

Change that. We have to date figured that these bbls were cut based on the rib termination, but the muzzles are definitely touching and the keels are there and the gun letters at 26" and they are exactly that, so I'm changing my opinion on this one. It's not cut and just has no matting blank at the muzzle. Make sense?? Here's a picture.

Thanks for starting this thread Bruce...
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Last edited by Richard Flanders; 05-03-2010 at 05:22 PM..
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Unread 05-03-2010, 04:03 PM   #6
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Hey folks,

I agree with Richard - that the pictures/info from this thread (and the fore-end tips) would make great additions to the research pages. Robin has done - and continues to do - an awesome job on our site in these efforts (Thank you Robin!!!)..

As well - I'd love to see either a date or serial number range on the variations posted for obvious reasons (time period vs. differences in rib termination).

Also - Richard, what is the choke run-out length on those bores? That might be interesting as well..??

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Unread 05-03-2010, 04:11 PM   #7
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The 16 gage in my post is serial #139589.
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Unread 05-03-2010, 04:21 PM   #8
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Thanks Larry!! As well - if folks just want to post a serial range to help us identify a year of manufacture, that would be terrific as well..!!

My thanks!!!!

John
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Unread 05-03-2010, 04:43 PM   #9
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The rib termination is a good indicator of cut barrels but not the only, and as we have seen, a gun can be right although it has no rib termination line. I've seen many guns with a rib termination at least a quarter inch back from the end, as was the situation in the previous post. Wouldn't want to pass up a good gun on an incorrect assumption.

An odd rib termination raises issues, but its not the final determination. That's why I started the post and photos are the best way to present the issue.

People talk about altering the rib matting with a Dremel grinder. Yes, they can make it look correct when viewed from above, but since you have to grind away the rib peaks, you have to grind away to the rib valleys and you end with a lowered surface that a careful viewer will spot. Too bad I didn't take a photo to illustrate one of those.

Last edited by Bruce Day; 05-03-2010 at 05:20 PM..
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Unread 05-03-2010, 05:21 PM   #10
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Ok, So what accounts for the differences? Are we to assume that PB cut down already assembled barrels to shorter lengths for some orders? When were final bore and choke honeing completed, before or after the ribs were laid?Anyone have Meriden's number?, lets call and find out!
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