dumb question BB mag owners .. Convert .22Mag to .17 HMR -Safe? - Barrel: Press/Bond - RimfireCentral.com Forums

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Old 10-06-2007, 11:03 PM
TopHat_guy
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doumb question for BB mag owners ....



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I've been thinking about getting one of the .22Mag BBs
My question is this....
I was wondering if you guys (and women) think it would be a problem re-chambering it to .17HMR. I know that it would be expensive, being i know of only one person who advertised that they can change BB barrels. And I would end up getting a Lilja barrel for it.
What I'm looking for is... Do you think that the pressure difference would be a problem?
Thanks,
Bob Barker

Last edited by aom22; 10-09-2007 at 09:17 PM. Reason: Restore Original Title
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Old 10-07-2007, 04:42 PM
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Ask the barrel changer the question.

Quote:
Originally Posted by TopHat_guy View Post
.... i know of only one person who advertised that they can change BB barrels ....
Have you asked the advertizer this question?
Incidently, who is the advertizer?

Could it be:

Biathlon Work
Quote:
Rebarrel Izhmash rifle $200.00
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  #3  
Old 10-07-2007, 07:45 PM
TopHat_guy
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Yup, That's them
I sent them an e-mail about a week ago about it....
Haven't gotten a response yet...
I didn't know if it was just that stupid of a question (that it wasn't worth their time), or that they just hadn't gotten around to answering it.
So I figured that I's ask the people here, who know a lot more about the rifles than I Do.
And again, If it's a dumb question... Sorry for asking.
Thanks again,
Bob Barker
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Old 10-07-2007, 09:11 PM
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I think any good gunsmith could re-barrel the BB.
I tried to take my barrel out one day with a machinist
Friend of mine. And we found that the barrel is a slip
fit. But here is where I decided not to go any further
the barrel is glued in & the barrel would have to be
heated up. So I pulled the plug on the project.
Because I didn't know how the phosphate finish would
hold up to the heat. Bluing can handle a lot of heat & be OK.
So I was not prepared to re-blue the receiver also.
If you re-barrel it, its a given the new barrel will be blued unless its SS.
I would think the BB would be OK with the .17 HMR.
I think EAA was going to have some BB's offered in .17 HMR or .17 Mach 2
before they lost there importing rights for Izhmash firearms.
Mine is a .22LR & was going to install an GM 10/22 bull barrel.
I get some wild idea's some times also.

Swiss

Last edited by midwest swiss; 10-07-2007 at 09:23 PM.
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Old 10-08-2007, 01:33 AM
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I wonder what type of glue they use and what other Russian rifles have this setup? My understanding of gunsmithing is very limited. This could be a very common practice but I find it very interesting.

Best,

S-
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Old 10-08-2007, 08:08 PM
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Bonding of Metal

The bicycling industry has been bonding dissimilar metals for more than two decades.
In the the 80's and 90's, extruded aluminum was bonded to cast or forged aluminum components.
And, aluminum was also joined to steel frame/sub-frame components.

For the most part, the bonding agent was a high strength, engineering grade epoxy.

Izhmash is probably using a proprietary aerospace formula adopted from the struggling aviation and space industries - cross-over technology.

If heat is applied to remove the barrel, the damaged phosphate coating would need to be restored/refinished.
There are some metal finishing business specializing in military firearms that are capable of re-phosphating a firearm.

It would be interesting to find out how Mr. Sheppard is joining the separated receiver with its new barrel.
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you must know what-to-do, and ... then ... do-your-best.
Ever-Onward ... Through the Fog ---- Fort Stockton TX 79735

Last edited by aom22; 10-08-2007 at 08:32 PM. Reason: Modify Text
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