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bonanza
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What does striking the barrel mean.
      #52881 - 21/03/06 07:29 AM

???

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400NitroExpress
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Reged: 26/11/03
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Re: What does striking the barrel mean. [Re: bonanza]
      #52887 - 21/03/06 08:19 AM

Striking = Draw filing. The barrels of hand-made British guns were not contoured on a lathe. They were contoured from the rough blanks, by hand, by a skilled barrel filer. He not only had to achieve the proper contour, but had to maintain uniform proper wall thickness, all the while keeping the bore in the center. Also, the finished barrels had to be reasonably free from ripples and other distortions in the surface to be accepted for proof. Thus, finished barrels were said to be "struck-up". Barrels are "struck-off" to remove surface corrosion, dings, scratches, old finish, etc. Barrels that are particulary free from surface distortions are "well-struck". Well-struck barrels are, in part, what separate fine doubles from those of lesser quality.
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"Serious rifles have two barrels, everything else just burns gunpowder."

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bonanza
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Reged: 17/05/04
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Loc: South Carolina
Re: What does striking the barrel mean. [Re: 400NitroExpress]
      #52952 - 22/03/06 12:46 AM

Thanks. Yet another bizzar British term. I suppose today the modern lathe can reproduce a "well-struck" barrel.

--------------------


"Speak Precisely" G. Gordon Liddy.

"Life is absurd, chaotic and we must define its purpose with our actions" Abert Camus

"I''m the dude playing a dude disguised as another dude."

"Yo! Mr. White"

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CptCurlAdministrator
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Re: What does striking the barrel mean. [Re: bonanza]
      #52955 - 22/03/06 01:20 AM

Actually, no.

Barrels are still struck in the old fashion. The rough contour is achieved by lathe or hammer forging, but the finished contour is struck in the same manner as before.

Now whether the ultra-modern guns such as Blaser, etc. do any hand striking, I don't know. There's no doubt that such firms as Piotti make their barrels in the old tradition.

Curl


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DoubleD
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Reged: 23/11/03
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Re: What does striking the barrel mean. [Re: bonanza]
      #52960 - 22/03/06 01:37 AM

The lathe can indeed make a finely shaped barrel and even make it appear extremly smooth. But in reality it comes off the lathe with a surface like screw threads, extremely fine and microscopic screw threads.

The striker may indeed draw file and shape the barrel to it's required form. That's how many of the oval barrels with integeral ribs were made. But the striker won't stop with filing. The striker will also hand polish the metal with polishing compounds or strike the metal with burnishing rods to further smooth the barrel and remove the file marks.



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banzaibird
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Re: What does striking the barrel mean. [Re: DoubleD]
      #53000 - 22/03/06 08:54 AM

Now I have a question for the vast knowledge at hand.

Have any of you seen a double with a swamped barrels? It seems that it might be beneficial when you start getting barrels at 26" and longer. I'm assuming somewhere along the line someone has tried it. I was just wondering if anyone swung one and could tell me how it felt and how it settled onto target?

Bill

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400NitroExpress
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Reged: 26/11/03
Posts: 1154
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Re: What does striking the barrel mean. [Re: banzaibird]
      #53003 - 22/03/06 09:56 AM

Bill:

Clarify "swamped". Most of the English guns are swamped, given my understanding of the term. If you're asking if they taper back to a larger diameter at the muzzle, no, I've never seen that.
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500Nitro
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Reged: 06/01/03
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Re: What does striking the barrel mean. [Re: 400NitroExpress]
      #53004 - 22/03/06 10:00 AM


Bill

Swamped generally refers to swamped ribs but I would also like
you to clarify what you mean by the term.

500 Nitro

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banzaibird
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Reged: 18/09/05
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Loc: S.C. Pennsylvania, USA
Re: What does striking the barrel mean. [Re: 500Nitro]
      #53010 - 22/03/06 10:40 AM

Sorry my question wasn't clear. I was specifically asking about the barrels and not the ribs. I was referring to when the barrel increases a bit in diameter again at the very end of the barrel. In some guns this can be an exagerated flare. However even a small flare at the end would add just the slightest bit of weight and supposedly add speed in settling on a target and smooting out the swing. On barrels shorter than 26" my thought is it wouldn't make much/any difference. But anything 26 and longer it may help. I ask because I recently used a custom O/U that was built for doubles trap and it had swamped barrels. It seemed to make quite a bit of difference on swing and follow through. Anyway that just got me wondering if it had any application. I figured somewhere along the way someone probably already tried it and it was either dropped because it wasn't much/any better or it just made the gun look hideous .

Bill

Edited by banzaibird (22/03/06 10:42 AM)

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