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Author Topic: Polishing the chamber..  (Read 1151 times)

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Offline ironglow

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Polishing the chamber..
« on: April 21, 2013, 03:50:46 PM »
  For a chamber polishing medium.. what is better.. The Flitz, Simichrome, Brasso type stuff ..or valve grinding compound ?
 It is a .44 mag, so I expect to use it on either a .410 shotgun swab or a a piece of T-shirt in a split dowel rod.
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Offline Ranger99

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Re: Polishing the chamber..
« Reply #1 on: April 21, 2013, 03:55:34 PM »
i'd go with jb bore compound
first. try the more severe processes
if that isn't satisfactory.
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Offline keith44

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Re: Polishing the chamber..
« Reply #2 on: April 21, 2013, 04:07:20 PM »
once fired brass soldered to a metal rod chucked into a drill


semi-chrome and flitz and brasso will only clean the surface and not really smooth out tool marks.  Also the swab or bore mop, and tee shirt approach when used with valve grinding compound or anything else that will remove metal, will leave a bulge somewhere in the chamber.


What is your goal, and why?
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Offline ironglow

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Re: Polishing the chamber..
« Reply #3 on: April 21, 2013, 04:15:35 PM »
On my CVA Scout..the shell is hard to extract..  I plan on doing the same treatment for a Taurus .22 Mag revolver also... and for the same reason ..X8..
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Offline geezerbiker

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Re: Polishing the chamber..
« Reply #4 on: April 21, 2013, 04:59:15 PM »
One thing I can tell you about Simichrome is that is not supposed to remove any metal and It might make the chamber shiny but it won't smooth it out.

Tony
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Offline gcrank1

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Re: Polishing the chamber..
« Reply #5 on: April 21, 2013, 05:19:21 PM »
The nice thing about using the finer polishing agents is that you might slick it up enough to do what you want without damaging anything. A 'rule of thumb' is to start with the least aggressive and escalate upward as the situation warrants. This applies to cleaning agents as well as this question.
BTW, if you have ever looked at a valve seat where valve lapping abrasive has been used you will note it is not smooth and shiny.
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Offline quickdtoo

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Re: Polishing the chamber..
« Reply #6 on: April 21, 2013, 05:21:59 PM »
Flitz and Simichrome are pretty much the same, I've used both many times, they work just fine for polishing chambers, have also used JB Bore Brite and JB compound, all are pretty fine metal polishes, valve grinding compound is pretty aggressive in comparison.

Tim
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Offline mitchell

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Re: Polishing the chamber..
« Reply #7 on: April 21, 2013, 05:31:33 PM »
my vote is flitz
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Offline ironglow

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Re: Polishing the chamber..
« Reply #8 on: April 21, 2013, 05:52:03 PM »
Come to think of it crank.you are correct; the valve and seat are really rather rough by comparison. 
    I have on hand, some material like Simichrome (same purpose) marketed as Puma..and sold by the German Puma brand knives.. I guess I'll use that..
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Offline keith44

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Re: Polishing the chamber..
« Reply #9 on: April 21, 2013, 06:16:03 PM »
Ok, try the semi-chrome stuff, if that does not help, get some "bar keepers friend" powder (or cameo or similar) make a paste with liquid dish soap.  This is where you will want a once fired shell soldered to a rod.  use slow speed on a hand held drill ( low or medium on a cordless drill is about right) and burnish the chamber with the brass shell, and home made polishing compound.  This will remove high spots, but will not remove metal.  Clean up is easy, and no you do not have to flush it with water.
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Offline quickdtoo

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Re: Polishing the chamber..
« Reply #10 on: April 21, 2013, 06:25:27 PM »
See Chamber Polishing in the FAQs sticky.  ;)

Tim
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Offline ironglow

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Re: Polishing the chamber..
« Reply #11 on: April 22, 2013, 04:41:23 AM »
Thanks, guys;
  Lots of good suggestions..that idea from Keith, using a once fired shell and something like a Cameo or Bon Ami paste, or even Soft Scrub sounds good..and Tim is always a great source..
   Thanks; I'll issue a report when I am done
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Offline trotterlg

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Re: Polishing the chamber..
« Reply #12 on: April 22, 2013, 05:43:03 AM »
After I cut a chamber I put a finish on it by wrapping a narrow strip of fine scotch bright pad around a bore brush, soak it in oil and run it in the chamber with a cordless drill.  Not too much, just enough to put a nice finish on it.  Larry
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Offline gcrank1

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Re: Polishing the chamber..
« Reply #13 on: April 22, 2013, 06:20:01 AM »
If soldering a rod (or big headed nail) onto a case as an arbor is not your thing you can drill & tap the primer pocket for a 10-32 (or whatever) to take a screw/nut and cut the head off.
Be sure to use a fully fire-formed case to get the best close fit in the chamber.
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Offline cwlongshot

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Re: Polishing the chamber..
« Reply #14 on: April 22, 2013, 12:15:53 PM »
Quote from: quickdtoo on April 21, 2013, 05:21:59 PM
Flitz and Simichrome are pretty much the same, I've used both many times, they work just fine for polishing chambers, have also used JB Bore Brite and JB compound, all are pretty fine metal polishes, valve grinding compound is pretty aggressive in comparison.

Tim

I agree.. I cringed when Valve grinding compound was suggested...  BE CAREFUL!!!  You don't want a 44.5 Magnum... ::) ::) ::)

I always used Flitz or JB...

CW
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Offline cwlongshot

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Re: Polishing the chamber..
« Reply #15 on: April 22, 2013, 12:18:24 PM »
Quote from: gcrank1 on April 22, 2013, 06:20:01 AM
If soldering a rod (or big headed nail) onto a case as an arbor is not your thing you can drill & tap the primer pocket for a 10-32 (or whatever) to take a screw/nut and cut the head off.
Be sure to use a fully fire-formed case to get the best close fit in the chamber.

I take a #6 or 8 2'' machine screw. Drill out the primer pocket to correct size and insert form inside. If the case head is big enough I add a nut If not, epoxy it in.

CW
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Offline gcrank1

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Re: Polishing the chamber..
« Reply #16 on: April 22, 2013, 12:51:50 PM »
Remember the old jingle for Almond Joy?
'Sometimes ya feel like a nut,
Sometimes ya dont.........'

Nice thing with these 'new gen' elec. drills is most are reversible so ya can keep the screw spun the right way to stay in.
Or
'There's more than one way to spin a case....' ;)
(I must be feeling better with stuff like this poppin' into my head!; not sure if its a good sign or not)
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Offline tacklebury

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Re: Polishing the chamber..
« Reply #17 on: April 22, 2013, 02:01:39 PM »
I found that in my case the less aggressive stuff, just wasn't "cutting" it.  lol  After several hours of polishing, I got some fine valve lapping compound and had it done in 10 minutes.  Then used some lighter stuff to finish it smooth.  Just my findings though.  ;)
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Offline Ol BW

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Re: Polishing the chamber..
« Reply #18 on: April 22, 2013, 02:50:22 PM »
 ;D  Gcrank I thought you were gonna say put the drill in reverse and unpolish the chamber!   :o ;D
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Offline gcrank1

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Re: Polishing the chamber..
« Reply #19 on: April 22, 2013, 02:56:55 PM »
At least you didnt accuse me of making a 'Polish Joke'........
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Offline Ol BW

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Re: Polishing the chamber..
« Reply #20 on: April 22, 2013, 04:46:20 PM »
Quote from: gcrank1 on April 22, 2013, 02:56:55 PM
At least you didnt accuse me of making a 'Polish Joke'........

 ;D ;D  Not a fine, upstanding citizen like you!  Never!  ;D ;D
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Offline cwlongshot

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Re: Polishing the chamber..
« Reply #21 on: April 22, 2013, 11:41:30 PM »
Quote from: Ol BW on April 22, 2013, 02:50:22 PM
;D  Gcrank I thought you were gonna say put the drill in reverse and unpolish the chamber!   :o ;D

NOW THATS FUNNY!!!!  ;) ;) ;)

CW
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Offline ironglow

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Re: Polishing the chamber..
« Reply #22 on: April 23, 2013, 12:09:57 AM »
Thannks guys;
  I really appreciate the advice...and enjoyed the humor even more!..
   I started reading you posts at the same time I started polishing the .44 Mag chamber.  I got so engrossed in your exchange that I now have 52 caliber chamber at he case head..but it is only 47 cal near the rifling.. What's wrong with a tapered case..it worked well in that marvelous French Chauchat machine gun?  ;) ;D ;D  . 
        Not really!  ..But I will get to it soon.. :D 
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Offline jeepmann1948

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Re: Polishing the chamber..
« Reply #23 on: April 23, 2013, 01:27:00 AM »
For chamber cleaning / polishing a homemade roll sometimes called a "flap"can be made from a long cotter pin and the desired grit of Emory cloth.Simply insert a piece of the Emory in the slot of the cotter pin roll it up to the desired diameter , chuck in the drill , and polish away.
 Many years ago in a land far far away (Great Lakes Naval Training Center) tooth brushes were used to clean porcelain Chambers by non attentive Seamen Apprentices. They worked very well.
George
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Offline ironglow

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Re: Polishing the chamber..
« Reply #24 on: April 23, 2013, 03:18:07 AM »
  That wasn't the same as "pearl diving"..but it was still no fun.. :D
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