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Rebarrelling a .378 Weatherby MarkV ???
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A couple of years ago I made the mistake of having a gunsmith install a muzzle break on my .378 WM. After words, the gun never shot guite as accurate with the break. My question is can I rebarrel the rifle, an go to a larger contour barrel such as a #4 or #5 instead of the #3 and will it fit down in the forearm with a little wood removed?
My reason is to due away with the break but at the same time install a heavier barrel and recoil reducers in the stock to balance out the rifle and and more weight.

Also should one freebore the chamber or not. The barrel from the factory is freebored and It would shoot a 5/8" three shot group @ 100 yards with 270 grain bullets?

Thanks
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Steve
 
Posts: 847 | Location: Wyoming | Registered: 13 March 2005Reply With Quote
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Yes to it all.
 
Posts: 1374 | Registered: 06 November 2005Reply With Quote
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Send it back to WBY and have them rebarrel it to what you want,and if it doesn,t shoot the way you want,they will make it right
 
Posts: 442 | Location: Idaho | Registered: 16 December 2005Reply With Quote
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as malm said, yes to all, or consider a rebarrel to 416 rigby (won't recoil as bad) or 550 magnum .


opinions vary band of bubbas and STC hunting Club

Information on Ammoguide about
the416AR, 458AR, 470AR, 500AR
What is an AR round? Case Drawings 416-458-470AR and 500AR.
476AR,
http://www.weaponsmith.com
 
Posts: 40075 | Location: Conroe, TX | Registered: 01 June 2002Reply With Quote
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quote:
Originally posted by van:
Send it back to WBY and have them rebarrel it to what you want,and if it doesn,t shoot the way you want,they will make it right


That would be a first.
 
Posts: 1374 | Registered: 06 November 2005Reply With Quote
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Why do you say that?About WBY?
 
Posts: 442 | Location: Idaho | Registered: 16 December 2005Reply With Quote
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I have a Weatherby in 7mm-08. It will shot three shots withing 1.5 inches at 100 yards as per their guarantee. Unfortunately once the barrel is cooled off and you shoot the next three shots, while they too are under 1.5 inches, they are in a completely different location on the target. I have treid three scopes on the rifle. Scopes all do fine on other guns. Rings and bases tight. Sent the rifel to Weatherby. They shoot three shots and send it back saying it meets their standards. But like I said when the barrel cools down it shoots to a new POI. So I then had the stock pillar bedded ... no change. I had the action bedded ... no change. The barrel is free floated ... no change. Tried forend pressure, which is how it first came, and again no change. But since it will shoot three shots within 1.5 inches the rifle meets their specs. Of course now the stock had been "modified" so they no longer take responsibility. Of course they did not fix the problem anyway.

I'd sell the dang thing but it was a gift form my father-in-law so my wife says keep it. Ultimately I may rebarrel it.
 
Posts: 513 | Location: MO | Registered: 14 March 2003Reply With Quote
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quote:
Originally posted by van:
Why do you say that?About WBY?


Well, I say that because I have dealt with Weatherby. Weatherby owners make up roughly a fifth of my customer base. Ruger and Winchester share the top spot for those seeking performance upgrades, with Weatherby coming in a close 3rd.

Like ALL commercially produced firearms, Weatherby has their standards, and if the performance the customer seeks doesn't fall within Weatherby's standards, then they are out of luck.

Steve will be money ahead and have less frustration if he looks beyond Weatherby to have the work done.
 
Posts: 1374 | Registered: 06 November 2005Reply With Quote
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If it were mine, I would remove the brake and have the crown looked at first. I have never seen a properly installed brake ruin an otherwise accurate rifle.


DRSS(We Band of Bubba's Div.)
N.R.A (Life)
T.S.R.A (Life)
D.S.C.
 
Posts: 2276 | Location: Texas | Registered: 18 May 2004Reply With Quote
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