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 Post subject: Tight chamber issue.
New postPosted: September 25th, 2016, 3:00 pm 
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Location: Deserthills / NewRiver, AZ
I have a Weatherby Vanguard in 308win and the the chamber appears to be to tight at the base area.
All factory ammo chambers fine because that ammo is all made under small base die dimensions.
Both my standard RCBS and LEE dies do not size down the cases far enough in this rifle but work fine in all my other 308 rifles. I really dont want to have to buy a small base 308 sizing die, I would rather fix the issue.
Is there anyone in the valley that has a finish 308 chamber reamer that can clean it up at an affordable price?

Thanks :D


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 Post subject: Re: Tight chamber issue.
New postPosted: September 26th, 2016, 7:22 am 
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I'm sorry, but, I don't have an answer for you,... just a question or two.

Just out of curiosity, have you contacted Weatherby about this issue?

I ask because I wonder if the chamber is to Weatherby spec, or not.,... do you know?

Being such a great manufacturer (imo), I find it strange they would chamber a rifle with a spec that doesn't work without a good reason, or, that they
wouldn't correct a mistake in manufacturing.

Thanks, and I'll check with a guy I know and see if he knows
someone who can ream it for you.

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 Post subject: Re: Tight chamber issue.
New postPosted: September 26th, 2016, 11:04 am 
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Perhaps you can find a gunsmith near you that has go/no go gages for .308.

Dogslayer


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 Post subject: Re: Tight chamber issue.
New postPosted: September 27th, 2016, 2:57 pm 
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Max:

Phil Arrington - Arrington Accuracy. He is in Surprise now.


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 Post subject: Re: Tight chamber issue.
New postPosted: September 27th, 2016, 7:57 pm 
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I would check with the manufacture but would be willing to bet if it works with factory ammo and not reloads they are going to tell you it's your reloads. Most manufacturers have a disclaimer about using reloads.


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 Post subject: Re: Tight chamber issue.
New postPosted: September 29th, 2016, 1:53 pm 
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Location: Deserthills / NewRiver, AZ
leverman wrote:
I'm sorry, but, I don't have an answer for you,... just a question or two.

Just out of curiosity, have you contacted Weatherby about this issue?

I ask because I wonder if the chamber is to Weatherby spec, or not.,... do you know?

Being such a great manufacturer (imo), I find it strange they would chamber a rifle with a spec that doesn't work without a good reason, or, that they
wouldn't correct a mistake in manufacturing.

Thanks, and I'll check with a guy I know and see if he knows
someone who can ream it for you.


I have not checked with Weatherby and your right, that should be my first call. All's they can say is no and to bad. If they say no I will probably go see Arrington.

Thanks guys for the advice. :D


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 Post subject: Re: Tight chamber issue.
New postPosted: October 2nd, 2016, 6:39 am 
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Hey Max,

I just finished dealing with a feeding problem, myself.

It turned out that Hornady's reloading specs where incorrect,
or, they were just incorrect for my barrel.

My point?

If I didn't do some experimenting, and just looked at the problem,
I would have thought the NEW BARREL had a chamber spec problem.

Sooo, my question is,... are you concluding a "chamber spec problem"
because of marks on the lower portion of the case, along with a fail to seat, or, are you just seeing the cartridge failing to seat in the chamber and came to a quick conclusion it was a sizing problem, like I originally did?

The solution to my feeding problem, that looked like a tight chamber, was in reality a TOO LONG OVERALL CARTRIDGE LENGTH, specified in Hornady's reloading data. After shortening, in stages, when I got it shortened by .100 less than factory data, I am feeding, firing and ejecting with no problems.

just an after thought,
JM.02O


VOTE TRUMP !!!

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 Post subject: Re: Tight chamber issue.
New postPosted: October 2nd, 2016, 7:59 am 
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Max, try sizing the brass as you always do and trim to minimum length. See if that solves the problem. FWIW, I'm using standard RCBS dies for my .308 loads and none of the rifles care. I know you already stated the issue doesn't exist in your other rifles. Just a theory I have, that's all.


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 Post subject: Re: Tight chamber issue.
New postPosted: October 2nd, 2016, 11:18 am 
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I trimmed to minimum case length. I have used standard LEE, RCBS and Dillon brand dies. Only a small base RCBS die I borrowed from my dad fixes the issue. I want to fix my chamber issue and not have use small base dies. I can see the marks on the brass cases at the rear of the case where the chamber is too tight.
A slight touch with a finishing reamer and oil will fix this problem in five minutes, I just dont happen to own a finishing reamer and it kills me. [smilie=icon_lol.gif]


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 Post subject: Re: Tight chamber issue.
New postPosted: October 2nd, 2016, 12:13 pm 
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As I suspected and that of course rules out the other theory. Go see Arrington. He can probably do it while you wait.

Phone 623-986-7806


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 Post subject: Re: Tight chamber issue.
New postPosted: October 2nd, 2016, 6:02 pm 
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This is second rifle I have owned with a undersize chamber in my life, so I guess Im pretty lucky. :D
The first one was a Mark X Mauser in 7mm mag, I have the small base die for that one. [smilie=icon_lol.gif]


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 Post subject: Re: Tight chamber issue.
New postPosted: October 6th, 2016, 5:58 am 
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I bought a Pedersoli Rolling block from Cabela's many years ago. It is chambered in 40-65 Winchester which at the time had no factory brass available. 45-70 brass had to be resized but in this rifle the base was too tight. pedersoli had borrowed an original Rolling Block in 40-65 from the Cody Firearms Museum and used those specs. Original 40-65 has a smaller base than 45-70.
I used a split rod and some very fine sandpaper to open up the base of the chamber and it works great now. Would be a little more difficult to do this on a bolt action but you could thread a case and put it on a rod and use lapping compound to do the same thing.
Or pay Arrington to open it up. I had him finish out a chamber on the first Mauser I rebarreled and he did it with a match pull thru reamer. It is tight but standard dies work for it.


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 Post subject: Re: Tight chamber issue.
New postPosted: October 8th, 2016, 7:14 am 
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I tried the case and lapping compound thing and it was a no go. [smilie=icon_cry.gif]


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 Post subject: Re: Tight chamber issue.
New postPosted: October 8th, 2016, 9:21 am 
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I have Go and No Go gauges for the .308 Win as well as finish reamer. You can bring your rifle over and I'll check with the gauges. If it needs reaming, I will have to charge a little due to cost of reamer sharpening. The cost would depend on how much reaming is needed. If you are already able to shoot factory ammo, I'm guessing that there won't be much reaming needed if any. Being a reputable manufacturer that Weatherby is, I am thinking that they may have done the reaming with minimal head space making the chamber tight for reloads.

I am on the north east edge of Morristown just south of the Carefree Highway.


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 Post subject: Re: Tight chamber issue.
New postPosted: October 11th, 2016, 1:11 pm 
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RandyTF wrote:
I have Go and No Go gauges for the .308 Win as well as finish reamer. You can bring your rifle over and I'll check with the gauges. If it needs reaming, I will have to charge a little due to cost of reamer sharpening. The cost would depend on how much reaming is needed. If you are already able to shoot factory ammo, I'm guessing that there won't be much reaming needed if any. Being a reputable manufacturer that Weatherby is, I am thinking that they may have done the reaming with minimal head space making the chamber tight for reloads.

I am on the north east edge of Morristown just south of the Carefree Highway.


Ok thanks I will pm you for contact info. :D


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