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  1. #1
    The Gunsmithing Moderator blacksmithden's Avatar
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    Chiappa 1873 in 22LR tuneup

    Im caught up with the fix it shop stuff so time for a little gunsmithing. The main reason I bought this gun was to see if the gravel road cops were still accepting transfer applications 'the morning after'. It was the cheapest gun we had in stock and that was the only motivation. The 'fit and finish' on the thing could only be described as poor to real lousy.

    One of the 6 cylinder chambers wouldnt let a 22 cartridge in it without a lot of thumb pressure, and after firing it, I had to remove the cylinder and tap it out with a metal rod.

    The fix was a little time consuming but easy enough. I just took a bronze cleaning brush in a drill, and put a little polishing compound on it. The cylinder that was sticking took a little time to hone out but now its perfect. I gave the other cylinders a little polish, and now the rounds slide in and out like butter.

    20221018_181136.jpg

    20221018_181030.jpg
    Last edited by blacksmithden; 10-18-2022 at 08:24 PM.
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  3. #2
    Senior Member M1917 Enfield's Avatar
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    Does that revolver have a steel or aluminium cylinder? It sure looks shiny inside the cylinder. Try not to oil inside the cylinder now that it is so shiny and smooth otherwise the cases may slid back on firing and make the cylinder rotation a bit rough or grippy.

    I had a revolver that had mirror polished cylinder walls and often the cases would not grip the cylinder walls fully on firing and cause the rear of the case heads to imprint the back of the breech and cause the cylinder to bind or not rotate nowhere nearly as free as beforehand.
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  5. #3
    The Gunsmithing Moderator blacksmithden's Avatar
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    Its crappy pot metal with steel inserts same as the barrel. The frame is too. Each hole is now like a mirror. I'll try it with and without oil and report back.
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    June 2013 - The High River Gun Grab - NEVER FORGET !!!!
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    M1917 Enfield (10-18-2022)

  7. #4
    Senior Member RangeBob's Avatar
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    Quote Originally Posted by blacksmithden View Post
    a little polishing compound
    What kind?
    I tried Brasso the other day, and my goodness does it smell awful.

    Brasso, Metal Polish, Cleans and Polishes - Brass Bronze Copper Stainless Steel, 142 ml
    https://www.amazon.ca/dp/B0074EIBR4

  8. #5
    The Gunsmithing Moderator blacksmithden's Avatar
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    Quote Originally Posted by RangeBob View Post
    What kind?
    I tried Brasso the other day, and my goodness does it smell awful.

    Brasso, Metal Polish, Cleans and Polishes - Brass Bronze Copper Stainless Steel, 142 ml
    https://www.amazon.ca/dp/B0074EIBR4
    Ive got a polishing kit that comes with 3 different waxy kind of bars. I used the white, then red. I think the red is called jewelers rouge.
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  10. #6
    Senior Member M1917 Enfield's Avatar
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    Quote Originally Posted by blacksmithden View Post
    Its crappy pot metal with steel inserts same as the barrel. The frame is too. Each hole is now like a mirror. I'll try it with and without oil and report back.
    Maybe being just a weak little .22lr it does not matter as much, the revolver I had that had the issue was a .357 mag.
    Warning! some sarcasm, facetious and jovial behavior, satire, irony, dry humor, playful banter and more may or may not be involved in my postings. Please read anything I have written as being said in the most joyful and happy voice you can possibly imagine.

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  11. #7
    The Gunsmithing Moderator blacksmithden's Avatar
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    Quote Originally Posted by M1917 Enfield View Post
    Does that revolver have a steel or aluminium cylinder? It sure looks shiny inside the cylinder. Try not to oil inside the cylinder now that it is so shiny and smooth otherwise the cases may slid back on firing and make the cylinder rotation a bit rough or grippy.

    I had a revolver that had mirror polished cylinder walls and often the cases would not grip the cylinder walls fully on firing and cause the rear of the case heads to imprint the back of the breech and cause the cylinder to bind or not rotate nowhere nearly as free as beforehand.
    What brand of revolver was it ? I checked all my revolvers, and with the exception of the firing pin hole, the back wall in all fo them is dead flat. There's nothing there to squish into. Were you maybe shooting really light loads ? When you fire, the primer always gets pushed out a tiny bit, but the force of the blast pushes the brass back and reseats it. I remember experimenting with really weak loads in my 44 mag, and some of them didn't have enough jam to push the brass back and reseat the primer. That caused some dragging on the back wall.
    GOC moderator
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    June 2013 - The High River Gun Grab - NEVER FORGET !!!!
    Feb 26 2014 - Swiss Arms prohibition and ordered confiscation by the RCMP - NEVER FORGET !!!!!
    May 1 2020 - Liberal un-democratic mass prohibition order in council. - NEVER FORGET !!!!!
    October 21 2022 - Liberals ban all handgun sales and transfers in Canada via order in council - NEVER FORGET !!!

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  13. #8
    Senior Member M1917 Enfield's Avatar
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    Quote Originally Posted by blacksmithden View Post
    What brand of revolver was it ? I checked all my revolvers, and with the exception of the firing pin hole, the back wall in all fo them is dead flat. There's nothing there to squish into. Were you maybe shooting really light loads ? When you fire, the primer always gets pushed out a tiny bit, but the force of the blast pushes the brass back and reseats it. I remember experimenting with really weak loads in my 44 mag, and some of them didn't have enough jam to push the brass back and reseat the primer. That caused some dragging on the back wall.
    Italian copy of a Remington 1875 repo!

    I had brass colour circles around the breech face (you could almost make out the case head writing) and firing pin hole and as the firing pin hole was very slightly oblong you could see the shape indented in the primer face. That is what caused the cylinder drag. I cleaned all oil and slightly roughed up my cylinder walls and the problem went right away.

    Here is somewhat of a similar example I found via Google images but with a semi auto pistol instead of a revolver but the situation is similar -











    Last edited by M1917 Enfield; 10-19-2022 at 12:33 AM.
    Warning! some sarcasm, facetious and jovial behavior, satire, irony, dry humor, playful banter and more may or may not be involved in my postings. Please read anything I have written as being said in the most joyful and happy voice you can possibly imagine.

    To whom it may concern: I hereby declare I am not responsible for any of the debts or liabilities incurred by the dim witted one known as Justin Trudeau!


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    blacksmithden (10-19-2022)

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