#2281626 - 06/28/08 07:39 PM
reboring info...
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91xlt
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Registered: 02/13/08
Posts: 420
Loc: Phila., PA
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reboring a barrel, pro's and con's?
can a .308 be bored to a .338?
anyone have experience with a rebored rifle?
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#2281701 - 06/28/08 08:14 PM
Re: reboring info...
[Re: 91xlt]
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Steelhead
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Registered: 10/17/02
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Loc: SE AK
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Can't fathom doing it unless it is on a 'classic' (express sights milled as part of the barrel etc)
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#2281797 - 06/28/08 09:19 PM
Re: reboring info...
[Re: Steelhead]
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Oregon45
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Registered: 08/19/06
Posts: 2290
Loc: Salem, OR
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The cost of reboring and the cost of rebarreling are about the same; I priced it out using Shilen barrels as a baseline and Danny Pedersen and Jim Dubbel as baselines for reboring costs.
Steelhead is right: no need to do it unless you have a unique contour or costly, integral, barrel hardware. Even then, a new barrel can be had; Lothar Walther will match the pre- 64 "dog nut" contour and I went with one of those for my pre- 64 338 Win Mag project rather than reboring a factory barrel.
Muzzle diameter controls whether your 308 could be rebored to 338; so long as the barrel is not very thin it should be doable. Jim Dubbel told me that I could have a pre -64 Featherweight barrel bored to 338, but not .366 (I'd wanted another 9.3x62) another reason to rebarrel.
Edited by Oregon45 (06/28/08 09:20 PM)
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#2282151 - 06/29/08 06:49 AM
Re: reboring info...
[Re: 91xlt]
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like2shoot
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Registered: 05/23/04
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Loc: Tidewater, VA.
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General rule is bore +.250 = Min. barrel OD.
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#2283165 - 06/29/08 04:56 PM
Re: reboring info...
[Re: 91xlt]
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Rangr44
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Registered: 02/12/08
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can a .308 be bored to a .338? - Yes - subject to a minimum required muzzle O.D. (check w/the rebore shop)
anyone have experience with a rebored rifle? - Yes. A close friend had his .243 auto bored to .358 Win - and got probably one of the very few .358 semi-auto carbines in the world.
A rebore is generally less expensive than a new barrel, unless you can locate a take-off, somewhere.
I suspect if you have a .308 Win and lust for a .338 Fed - you're not gonna find a used barrel, as the cartridge's too recent.
A rebore is $225, at Jesse Ocumpaugh, plus S&H, w/6-week turn-around.
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#2283246 - 06/29/08 05:45 PM
Re: reboring info...
[Re: 91xlt]
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muledeer
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Registered: 06/20/01
Posts: 5157
Loc: Ketchikan, AK, USA
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reboring a barrel, pro's and con's?
can a .308 be bored to a .338?
anyone have experience with a rebored rifle?
You need a muzzle diameter of at least .575, more or less. Call Jim Dubell at Delta Gun Shop -- he'll be happy to go through it with you.
I can tell you that a Ruger 77 RSI .308 does not have enough barrel for a rebore to .338 Federal  .
Dennis
_________________________
"The more you run over a dead cat, the flatter it gets."
"If you're asking me something technical, you may be looking for My Other Brother Darrell."
"It ain't foot-pounds that kills stuff -- it's broken body parts."
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#2283992 - 06/30/08 05:50 AM
Re: reboring info...
[Re: muledeer]
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old70
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Registered: 03/13/04
Posts: 150
Loc: Michigan
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I had Wayne at Oregunsmithing rebore a shot out pre-64 model 70 .30-06 to .35 Whelen, and after a few glitches where he let an apprentice do the rebore and messed it up, he got it right, and all at his own expense. excellent service. I firelapped the barrel, and I'm now very satisfied with the rifle, as it shoots 225 gr. partitions into .75" pretty regularly, but I've settled on the Speer 250 grainer for practice, and the 250 partition for everything else, since they'll go .5" at 2450 fps when I hold my face just right. Besides that, the caliber restamp looks like it could be factory. He did well.
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#2285984 - 07/01/08 07:55 AM
Re: reboring info...
[Re: old70]
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muygrande1
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Registered: 01/29/01
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The barrel must have been the std 24" rather than a fwt? I was told not enough diameter to rebore fwt '06 to 35 Whelen.
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#2286121 - 07/01/08 09:53 AM
Re: reboring info...
[Re: muygrande1]
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old70
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Registered: 03/13/04
Posts: 150
Loc: Michigan
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Correct. Even the standard was close, and it's pretty light. However, the gun balances better and it shoots very well. several of the other big name reborers told me they wouldn't do it, even on a standard.
It's become one of my favorites.
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#2286191 - 07/01/08 10:35 AM
Re: reboring info...
[Re: 91xlt]
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MikeFletcher
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Registered: 01/11/03
Posts: 163
Loc: Tulsa, OK
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I have had a Ruger 77 Express rebored from .375 H&H to .458 Lott long before Ruger offerd .458 Lott.
I had a 1903 NRA Sporter rebored from .30-06 to .35 Whelen (excessive pitting in the 06)
I have a Ruger No. 1 S that was .218 Bee and is currently a 9.3x74Rmm.
Hamilton Bowen handled the projects and Cliff LaBounty did the re-bore & re-rifle. Cliff sold to Delta Gunshop when he retired and Hamiltom Bowen says their work is as good as Cliff's.
I did it to keep the original exterior of the rifles involved. Accuracy is as good as an excellent barrel gives in all cases.
Mike Fletcher
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#2287818 - 07/02/08 08:46 AM
Re: reboring info...
[Re: old70]
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muygrande1
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old70, I had the fwt bored to 338-06 and it is a dream to carry and shoot. I have now taken to NWT (moose/caribou) and Alaska (brown bear) :).The fwt was a close call even to get to 338. I much favor rebore on these pre 64 shot out barrels to replacing with new barrel.
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#2287921 - 07/02/08 09:47 AM
Re: reboring info...
[Re: muygrande1]
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idahoguy101
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Registered: 03/28/08
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Good morning.... Reboring a 308 too 338 is one thing. What would it take to chamber a rifle from 30/06 into 300 win mag?
idahoguy101
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#2288538 - 07/02/08 02:18 PM
Re: reboring info...
[Re: idahoguy101]
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like2shoot
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Registered: 05/23/04
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What brand of rifle? Rem., winchester, ruger, mauser?
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Shoot straight, shoot often.
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#2288780 - 07/02/08 04:29 PM
Re: reboring info...
[Re: idahoguy101]
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idahoguy101
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Registered: 03/28/08
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Its a 98 Mauser action. A 1909 Argentine.
idahoguy101
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#2288866 - 07/02/08 05:14 PM
Re: reboring info...
[Re: idahoguy101]
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Oregon45
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Registered: 08/19/06
Posts: 2290
Loc: Salem, OR
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Conversion to 300 mag would require opening the bolt face, altering the guide rails, altering the magazine and rechambering the barrel. In short, alot of money. Why would you want to go to 300 Mag if you already have a 30/06? Get some Federal High Energy 180gr Partition loads and go to town 
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#2288911 - 07/02/08 05:44 PM
Re: reboring info...
[Re: Oregon45]
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idahoguy101
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Registered: 03/28/08
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I'm looking for a 200 grain bullet at 2700 fps out out of a 20 inch barrel with reasonable accuracy. I know that I can get that out of a modern 24 inch or longer barrel.
Please comment on my logic:
1. Old Mauser actions are more accurate loaded below maximum
2. I like having a short barrel
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#2288918 - 07/02/08 05:48 PM
Re: reboring info...
[Re: idahoguy101]
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Oregon45
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Registered: 08/19/06
Posts: 2290
Loc: Salem, OR
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Nothing wrong with that logic, and go for it. Gun choices don't have to make sense
Personally, if I wanted a 200gr bullet at 2700 out of a 20" barrel, I'd load a Norma 232gr Oryx in my 20.5" 9.3x62 over a stiff load of RL-15 or Big Game, might get close to 2700
As for old Mauser actions being more accurate loaded below maximum, I'd like to know how exactly the action affects accuracy and how that depends on chamber pressure. Aside from lug set back, which is rare, and perhaps action flexing, which would not really affect accuracy, I can't think of what would.
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#2289078 - 07/02/08 07:17 PM
Re: reboring info...
[Re: Oregon45]
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idahoguy101
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A 9.3x62mm Mauser versus the 300 Win mag is tempting...Oranges and apples I guess... Idahoguy101
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#2289511 - 07/03/08 05:45 AM
Re: reboring info...
[Re: idahoguy101]
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EZEARL
Campfire Regular
Registered: 01/02/08
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Apples and oranges? Not really.
.300Win w/200gr 2700=3236ft lb energy
9.3x62mm w/232gr2650=3666ft lb energy
Of course either will kill anything but wanted to show some stats. Could mention other things about a short bbl .300 like muzzle blast,resale value,etc but if I wanted one they wouldn't stop me. I'm expecting my .25 to 9.3 rebored Mauser back soon(that's alot of cutting!)and am figuring a bill of around $400 which includes cutting and recrowning the bbl. I don't know how that would compare to having a rifle converted from a std to mag cartridge. Just something for you to consider.
til later
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