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Old 11-23-2011, 01:24 AM   #11
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Pat, I'd suggest you keep it as 7x57!

You have a few other good options - 257 Rob, 8x57, 9.3x57 (if you reload), but they don't seems to me as great as the 7x57.

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Old 11-24-2011, 08:46 PM   #12
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Some thoughts on rebarreling a 7x57.

Having done several, the largest caliber I am willing to go is the .308.
Its not because of the caliber per say, but because of the differences in heat treat of barrels and receivers back in the day. So many different countries built Mauser rifles and the manufacturing methods used were very different from one country to another.What may be safe in one Mauser may not be safe in another.

The last Mauser I did, the barrel was so tight that I couldnt not get it off, using every tool and tactic known to man. I ended up cutting the barrel off in the bandsaw, and boring the remainder of the barrel out. I have read that this is not uncommon with Mauser rifles.

On another Mauser I did, the barrel was so loose that the wieght of the barrel wrench itself was enough to breake it loose. It was told that the gun never did shoot worth a hoot, that may have been why.

I did rebarrel a 7x57 with an Adams and Bennet barrel. They are considered the el cheapo barrels of the barrel world. That gun shot as well as any other I have ever done, including some of the higher end custom barrel makers that everyone knows.

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Old 11-26-2011, 02:59 AM   #13
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Ty for info people ill keep it 7mm after further review seems like a costly project thatll i do later on

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Old 11-26-2011, 08:28 AM   #14
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patrick, i'm going to throw in my two cents worth on the matter. a person with mechanical aptitude could rebarrel a mauser with the proper tools. it's not too difficult if you pay attention to what you're doing and take your time. okay, reality check here, unless you plan on doing several, it's not really cost effective to do one rifle.

the tools you will need: barrel vise to hold the barrel. $60-100. an action wrench to turn the action on the barrel. $50-75. finish reamer to ream the chamber to size. $100-150. headspace gauges to check the headspace. $50-75. depth micrometer to do the measuring. $75-150. then you will need the barrel in whatever caliber you want. $150-400. and if you wanted to do several, then you at the very least need reamers and headspace gauges for any caliber you wanted to do. so only wanting to do one rifle, costwise it would be better to let a barrel maker or a gunsmith do the job.
Well, gee take all the fun out of it...



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Pat, I'd suggest you keep it as 7x57!

You have a few other good options - 257 Rob, 8x57, 9.3x57 (if you reload), but they don't seems to me as great as the 7x57.
9.3x62 - That's my second choice after .338 Federal

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Ty for info people ill keep it 7mm after further review seems like a costly project thatll i do later on
7mm is not a bad choice at all.
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Old 11-26-2011, 12:31 PM   #15
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shade, not trying to take the fun out it! just a lot of people think you can build these old guns cheap and get any caliber they want. but after looking at what tools it takes to do one gun, it would be cheaper to have a gunsmith or barrelmaker do the job. now if a person was going to do several in different calibers that were capable of being used in the action they had, then it might be more cost effective.

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Old 11-26-2011, 02:22 PM   #16
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very true on the bolt face, if going to a magnum caliber. do they make a magnum bolt for the mauser's?
yep, but they are very hard to find
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Old 11-26-2011, 08:35 PM   #17
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shade, not trying to take the fun out it! just a lot of people think you can build these old guns cheap and get any caliber they want. but after looking at what tools it takes to do one gun, it would be cheaper to have a gunsmith or barrelmaker do the job. now if a person was going to do several in different calibers that were capable of being used in the action they had, then it might be more cost effective.
I was just kidding, your right to do one is not cheap. I plan on doing mine
but it will not be the last and several of the components like the barrel vise
I will build myself. Action wrench I will buy. And the floating reamer holder
which you did not mention will be purchased. But I already have a fairly
well equiped machine shop.

I agree, it is not a trivial setup.

Edit, I already have the .338 Federal Reamer; but 9.3 x 62 Mauser is very
tempting. BTW, 9.3x57 is different than 9.3x62 Mauser not a mistake.
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Old 11-26-2011, 10:20 PM   #18
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I was just kidding, your right to do one is not cheap. I plan on doing mine
but it will not be the last and several of the components like the barrel vise
I will built myself also. Action wrench I will buy. And the floating reamer
holder which you did not mention will be purchased. But I already have a
fairly well equiped machine shop.

I agree, it is not at trivial setup.
shade, you are probably better equiped than most, and for you it would be a nominal investment. my comments were directed at those who plan on one gun and don't have a fully equiped shop. i looked into it myself several years ago, and priced everything to do one rifle, i would still come out money ahead letting a gunsmith or barrelmaker do the job. now i understand some people are just hands on type people and want to do it themselves, but also some of these type people hardly care about the cost in the first place.
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Old 11-26-2011, 10:39 PM   #19
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...now i understand some people are just hands on type people and want to do it themselves, but also some of these type people hardly care about the cost in the first place.
Yup, I can do it myself for 4x the cost and 10x the time... LOL
yeah that's kinda me... but getting there is half the fun...

But even if you just own a Mauser the book "The Mauser Bolt Actions"
by Jerry Kuhnhausen is still an excellent read.
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Old 11-26-2011, 10:56 PM   #20
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Yup, I can do it myself for 4x the cost and 10x the time... LOL
yeah that's kinda me... but getting there is half the fun...

But even if you just own a Mauser the book "The Mauser Bolt Actions"
by Jerry Kuhnhausen is still an excellent read.
i agree shade. as sometimes i am one of those people too! sometimes i just want the satisfaction of being able to say i did it myself. but i also enjoy working on my guns, and enjoy the satisfaction of knowing my guns better than anyone else. i too, am a hands on kind if person!
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