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.357 Blackhawk difficult extraction - PROBLEM SOLVED

Discussion in 'Handguns: Revolvers' started by Ruark, Jan 24, 2011.

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  1. Ruark

    Ruark Member

    Jan 18, 2011
    I recently started a thread about the empty cases being difficult to extract from a stainless .357 Blackhawk. I'm shooting a max (16.6) load of H110 and 158 gr. XTPs with SPM primers. I fixed the problem yesterday.

    I got a felt polishing tip for my Dremel tool - it's tip #422:


    These were the steps:

    I cut the pointed part off, making it cylindrical. Then I installed it into the Dremel chuck deep enough that it wouldn't go into the throats, only the chambers.

    Then I ran it against a piece of sandpaper for JUST a second, to reduce it enough to fit into the chamber.

    Loaded it up heavily with chrome rouge - usually called 531 or CR1. Use minimum speed on the tool to do this.

    I flipped it up to full speed (25,000 RPM) and polished the chamber for 3 or 4 minutes, moving it around steadily and evenly. It's VERY important to keep moving it around like this. I reloaded it with rouge several times during this process. You can't use too much.

    Cleaned the chamber out with a brass brush and some Hoppe's #9. Dried that up with a few tight dry patches. Wow - looks like a mirror in there!!!

    Mark that chamber with a Sharpie or stick in a little wad of paper.

    Repeat for the other 5 chambers. Clean everything up, reinstall cylinder.

    Presto - the fired cases almost fall out. Problem solved!

    Thanks again for all the posts. There were a lot of good suggestions and advice from the forum, all very educational and appreciated.
    Last edited: Jan 24, 2011
  2. CraigC
    • Contributing Member

    CraigC Member

    Jan 27, 2006
    West Tennessee
    Glad you got it straightened out!!!
  3. 788Ham

    788Ham Member

    Sep 24, 2010
    Hills west of Denver
    When you shoot a lot of rounds, you'll notice a ring inside on the cylinder walls, normal occurrence. Then, take your bore brush and wrap a small piece of 0000 steel wool around the brush, fit brush into a small drill and lightly re-polish the cylinders, keeps them clean without any problems.
  4. murf

    murf Member

    Nov 16, 2010
    may also want to polish the throats the same way while you are at it.

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