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Flat main spring housing

Discussion in '1911 Forums' started by FireForged, Feb 4, 2011.

  1. FireForged

    FireForged Millenium #3936 Millennium Member

    4,291
    126
    Dec 25, 1999
    Rebel South
    I am interested in a "good" flat main spring housing for my Springfield Mil spec. Its purely a grip issue but if I am going to mess with it, I would like to at least replace the part with something better than oem. Can you suggest a good MSH and should I change anything else while messing with this specific area of the pistol ie.. spring or other associated stuff in the housing.
     
    Last edited: Feb 4, 2011
  2. samuse

    samuse

    5,375
    21
    Jul 30, 2008
    South TX
    Any of the common name brands would be good. The MSH doesn't do much...
     


  3. The_Drizzle

    The_Drizzle I make it rain!

    861
    0
    Jul 23, 2009
    Columbus, OH
    I replaced the MSH on my GI with one from Smith and Alexander (http://www.smithandalexander.com/spr-housing.html). Matched the park finish almost perfectly. Also the quality and fit are great.

    Also I am pretty sure you will have to get a new mainspring, cap, retainer pin, and cap pin.
     
  4. R0CKETMAN

    R0CKETMAN NRA MEMBER

    1,063
    4
    Dec 19, 2007
    SECONUS in HARD TARGET
    Ed Brown and you can swap all items from your AMSH.
     
  5. youngAR

    youngAR

    312
    0
    Dec 4, 2010
    DFW, TX
    Wilson Combat and Mars Armament makes nice mainspring housings.
     
  6. Hokie1911

    Hokie1911 >

    9,712
    1
    Dec 26, 2003
    NE Ohio
    Go with Kimber. It's nice and lightweight. :whistling:
     
  7. MD357

    MD357

    4,124
    11
    Jul 13, 2008
    Kimber hater.
     
  8. faawrenchbndr

    faawrenchbndr DirtyThirty fan CLM

    36,102
    459
    Nov 24, 2005
    Troy
    My GI Springfield is getting a Smith & Alexander 20 lpi flat MSH
     
  9. Hokie1911

    Hokie1911 >

    9,712
    1
    Dec 26, 2003
    NE Ohio
    Well, everyone has been "discussing" how no one uses Kimber small parts....

    :tongueout:
     
  10. GeorgiaRedfish

    GeorgiaRedfish Senior Member

    3,819
    0
    Jun 29, 2010
    Right behind you...
    The Kimber polymer is top quality. Despite all the threads I've read about them cracking. Those people were just liars and haters
     
  11. Nickpisp

    Nickpisp

    1,260
    0
    Oct 12, 2010
    Oklahoma
    Unverified.
     
  12. GeorgiaRedfish

    GeorgiaRedfish Senior Member

    3,819
    0
    Jun 29, 2010
    Right behind you...
    D*** you caught me
     
  13. Hokie1911

    Hokie1911 >

    9,712
    1
    Dec 26, 2003
    NE Ohio
    :rofl::rofl::rofl:

    That's your new word. That's great.....hater.
     
  14. gocubs6

    gocubs6

    527
    0
    Aug 16, 2010
    I just swapped the MSH on my Mil Spec w/ a flat Springfield Mil Spec and I like it much more than the arched MSH. I actually posted on the WTB section of the 1911 forum that I was looking for a Springfield flat MSH. I kid you not that a very nice gentlemen sent me a Springfield parked serrated MSH w/ the internals for free. I couldn't believe it and I plan to pay it forward someday too.
     
  15. Nakanokalronin

    Nakanokalronin JMB & MTK

    3,882
    46
    May 13, 2008
    If you change the MSH you will need to change the internals as well to standard parts because of the ILS system. A new spring cap, retainer pin and 23lb mainspring is needed. The bottom wedge shaped pin can be re-used from the original. The stock Springfield MSHs have a hole for a retaining pin but niether my Mil-Spec nor my Loaded had one in it.

    Springfield on the left, normal on the right.
    [​IMG]

    ETA: They may look the same length when put together but the top cup type pin on the Springfield is deeper than standard which makes the overall length shorter.
     
    Last edited: Feb 4, 2011
  16. cdunn

    cdunn

    412
    0
    Mar 5, 2008
    falls church,va
    I think I have 2 Baer flat serrated mainspring housings,new, that I can't seem to get rid of. pay for the shipping and its yours once I find it.I'll look and make sure tomarrow.let me know
     
  17. rsxr22

    rsxr22

    2,733
    0
    Feb 25, 2009
    Youngstown, OH
    Verified at my shop:tongueout:
     
  18. MajorD

    MajorD

    2,387
    106
    Aug 16, 2010
    make note it is not always a drop in part I tried to replace the flat with an arched on my les baer but after replacement the hammer would not fully cock- just to let you know any part replacement on any 1911 is going to be a crap shoot as far as fit and function
     
  19. Quack

    Quack Rent this space

    9,991
    9
    Jan 7, 2002
    NE Ohio
    why would anyone want a flat MSH, when the palm of the hand is curved? :whistling: