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Fussy, fussy! or 'Why does it take so long?'

Discussion in '1911 Forums' started by pistolwrench, Dec 14, 2009.

  1. pistolwrench

    pistolwrench Dremel jockey

    642
    6
    Jul 27, 2009
    Bushing as received measured .118" between lug and flange. Slide measured .110". Would have resulted in an .008" gap between end of slide and bushing flange. About 4-5 sheets of paper.
    I machined a flat in the lug slot. Silver soldered in a piece of heat treated 4142 and remachined the slot to .110".

    [​IMG]

    [​IMG]

    [​IMG]

    Nice tight fit!

    [​IMG]

    A little while later.

    [​IMG]
     
  2. pistolwrench

    pistolwrench Dremel jockey

    642
    6
    Jul 27, 2009
    Brand new Colt Series 70 re-issue. Rear cocking serrations were pretty good.
    Looked great at an arms length.
    But 'pretty good' can be better.

    Before:

    [​IMG]

    [​IMG]

    After remachining:

    [​IMG]

    [​IMG]
     


  3. okie

    okie GT Mayor

    64,670
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    Muskogee Ok.
  4. Quack

    Quack Rent this space

    9,991
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    NE Ohio
  5. Quack

    Quack Rent this space

    9,991
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    NE Ohio
    maybe you should think about being a custom gunsmith ;)
     
  6. bac1023

    bac1023

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    :rofl:
     
  7. faawrenchbndr

    faawrenchbndr DirtyThirty fan CLM

    36,121
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    Nov 24, 2005
    Troy
  8. Great work. Please keem em coming.
    I really enjoy your before and after pics, as well a your knowledge.:supergrin:
     
  9. paul45

    paul45

    2,609
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    Jul 18, 2004
    NC
    So, would Colts "machine" that cuts the cocking serrations be dull? I'm curious on this one! :supergrin:
     
  10. faawrenchbndr

    faawrenchbndr DirtyThirty fan CLM

    36,121
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    Nov 24, 2005
    Troy
    Worn milling bits, when they dull, the material gets chipped.
    This leads to the rough, chipped edge rather than a clean crisp edge.
     
  11. glock2619

    glock2619 Work in Progres

    1,031
    3
    Jan 18, 2006
    Rapid City, SD
    So what type of clearance would you have been content with in the white? 0.001-0.002, or do you go line to line?

    If you don't want to reveal trade secrets, that's fine too. :wavey:

    Beautiful work as always. I've ALWAYS enjoyed the tapered reverse plugs/slide work.
     
  12. pistolwrench

    pistolwrench Dremel jockey

    642
    6
    Jul 27, 2009
    Not many secrets!

    .002" would have been acceptable.
     
  13. glock2619

    glock2619 Work in Progres

    1,031
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    Jan 18, 2006
    Rapid City, SD
    Thanks. I appreciate it. I'm going to buy some new bushings from EGW for my Kimbers (early ones with MIM barrel bushings) and was going to check this dimension as well. I might run the bushing O.D. 0.001 clearance to the slide and 0.002 to the barrel. Am I close here? This isn't a match gun but would like to do it right W.O. affecting reliability.

    To clarify, I'm not a MIM hater, but have seen first hand what a broken bushing does to a Kimber (or any 1911 with a broken bushing like that). To me, it's cheap insurance to avoid a big repair bill.

    Thanks in advance. Again, if it's taking food off your table, I understand.

    Or, I might just send the slides/barrels to you and have a matched bushing/plunger installed with the happy face engraved in it. :supergrin:
     
  14. paul45

    paul45

    2,609
    585
    Jul 18, 2004
    NC
    Is your username pistolwrench? Or are you his spokesperson?

    I should have directly addressed him, but I assume my question would go to the one who actually performed the work.

    Thanks for the reply anyway.
     
    Last edited: Dec 17, 2009