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FACTORY BLUING

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/01/2007 at 20:07
hot30 View Drop Down
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Switching out some Savage barrels the other night, I started thinking about bluing.

 

        When the factory finishes a barrel and sends it down the line for bluing, would they plug the bore so not to blue it, or would they just dunk it and blue the bore also.?  With the EPA on everyones ass about everything, I dont know if they have adapted new processes for bluing ?  Hot blue is different from rust bluing slightly and I wouldnt think to rust blue the bore of a barrel, but then again bluing retards the rusting process.

 

    Anybody have an opinion or the fact of the matter.?

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/02/2007 at 03:19
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Hot30, good question. I have recently had several rifles re-blued. All the bores were also blued. The cleaning out process was quite difficult. In fact after about a 100 shots through the barrel brown "rust" or blue residue??? still seemed to come out of the barrel. I would clean the barrel and get all the black powder residue out. Then on a lightly oiled white rag which I pushed through for final cleaning, a light brown rust like stain would still show.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/02/2007 at 17:47
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Hey 8shots, whats been rusting.? HeHe,  Yes Im seeing some crap also, but the more I concern myself with things the more crap I seem to find. Used to take a new barrel out and shoot the snot out of it, didnt care much about it.

 

   Soooooooo, are we going to eventually shoot all the crap out, or is the bore going to be CRAP before this happens.?

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/03/2007 at 06:08
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hot30, you are spot on with your observation! The more you scratch, the more it itches. When I bought my first rifle I knew nothing about breaking a barrel in, copper residue, carbon fouling and the likes. Have rifle, will shoot! Only thing I did was use a copper brush and rifle oil, couple of brush strokes and pull a jag through. Wipe the stock clean and wipe all fingermarks of barrel etc and she was ready to go. If the grouping was bad, I would blame myself and try harder the next time.

Now everything gets analysed, checked, cleaned, measured, reset, pillar-glassbedded, free-floated, broken in, fine-tuned, chronographed and a few other things. The worst is I am not shooting much better then those days!

But in fairness I am having a helluva lot more fun!!



Edited by 8shots
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/03/2007 at 11:33
hot30 View Drop Down
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Dont ya know it.!  I dropped my 10FP .308 into a factory 12BVSS stock without all the Hup-La and went shootin. Now before the swap, this thing was miked, stretched, bedded, all the things you mention. It still shoots on a dime.! I laughed my ass into a tizzy.! After all this gun "romance" stuff the dam thing still shoots. Why do we do all this crap, who knows. Like you state, it must be just the fun of it.!

    Maybe, just maybe, as we learn and gain a better understanding of the mechanics behind the "gun" its not so much the gun at all.?  I have learned after many years that the most important "dicipline" of all is having 'FUN".

 

      Life is short, HAVE  FUN.!!    Good shootin, 30

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/07/2007 at 18:53
hot30 View Drop Down
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Still wondering about this "bore bluing " thing.  Is this something that has never been  analyzed or just something thats generaly accepted.?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/08/2007 at 09:57
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Originally posted by hot30 hot30 wrote:

Switching out some Savage barrels the other night, I started thinking about bluing.

 

        When the factory finishes a barrel and sends it down the line for bluing, would they plug the bore so not to blue it, or would they just dunk it and blue the bore also.?  With the EPA on everyones ass about everything, I dont know if they have adapted new processes for bluing ?  Hot blue is different from rust bluing slightly and I wouldnt think to rust blue the bore of a barrel, but then again bluing retards the rusting process.

 

    Anybody have an opinion or the fact of the matter.?

 

Generally the bores of barrels are not plugged during bluing.  The reason for this is because at the temperatures the bluing bath is kept at when doing a commercial hot blue (sometimes up to 600 degrees F, depending on the type of bluing salts used), the expanding air trapped in the bore would blow out the plugs.



Edited by RifleDude
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/08/2007 at 11:50
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Makes sense.!   Wonder what the aftermarket  thought is on this.? Would you blue the bore of a match barrel, or is there no issue here.?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/08/2007 at 12:43
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Originally posted by hot30 hot30 wrote:

Makes sense.!   Wonder what the aftermarket  thought is on this.? Would you blue the bore of a match barrel, or is there no issue here.?

 

Most of the match barrels are stainless, which you can't blue -- stainless is not chemically compatible with the bluing solutions.  With stainless, you use a spray and bake finish like Teflon, Cerakote, or other such finishes to simulate bluing, in which case, you mask off the bore.  Even so, I don't think there is any issue with bluing the bore of a chrome moly match grade barrel.

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/09/2007 at 11:27
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Thanx RifleDude, yes im aware of the stainless steel . Like  8shots mentioned, once you get to scratching that itch I cant stop. Its helps the never ending quest for the answer to be able to put it out on the "round table" for discussion.

 

   While Im at it, this forum seems to me, the place to find the cure for this continuing itch.!  I really enjoy my time spent here.

 

                                Reguards

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