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Sig 1911 feed/lock problems

Discussion in 'Handguns: Autoloaders' started by Archangel14, Jun 23, 2012.

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  1. Archangel14

    Archangel14 Member

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    Gentlemen:

    I have a spanking new stainless Sig 1911. I ran about 200 rounds of Federal 230 grain ball through it without a single hitch. Cleaned the pistol thoroughly thereafter.

    Today I ran some Federal 185 grain Hi Shok (not the Hydra Shok). I had several failure to feeds and several slide lock failures (where the slide did not lock back after the final cartridge was expended, but returned to the fire position). I thought this was probably a problem with the ammo I was using. But, I experienced the same problem with the Federal 230 grain ball that had performed flawlessly on the prior outing (albeit, with a lot fewer of the aforementioned problems). I ran a magazine of expensive Hornady nickel 230 grain HP's through it, which feed with authority and with no trouble (but only 8 rounds). The Hornady "felt" more powerful.

    What do you think the issue(s) is/are? Thanks!
     
  2. 9mmepiphany

    9mmepiphany Moderator

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    Did you lube the rails and barrel with grease after you cleaned?
     
  3. AZGlock13

    AZGlock13 Member

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    The other suggestion I would try, is buy 1 or 2 Chip McCormick 8rd PowerMags. I run these in all my full size steel frame 1911s (two of which are Sigs) and have not had any problems (in my alloy frame 1911s, I like to run Wilson Combat mags). I have heard some other Sig 1911 owners on other boards that have had feeding and/or slide locking issues with their factory stock supplied mags and the issues went away when they bought quality aftermarket mags (such as CMCs, Wilson Combat, Tripps, etc.). I haven't myself had any issues with the supplied mags that came with my Sig 1911s, but I do much prefer CMC 8rd PowerMags to the Sig supplied mags. If you still have issues with your new 1911 with new quality aftermarket mags, I would then give Sig customer support a call for sure and have them repair your pistol under warranty. Hope this helps.
     
    Last edited: Jun 23, 2012
  4. Archangel14

    Archangel14 Member

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    Thanks. I'll try new mags. Yet I didn't heavy any problems until I put the 185 grain Hi Shoks through it. With that said, I have no clue as to what is causing the slide not to lock. Is that a pistol malfunction or can it be related to a magazine issue?
     
  5. 9mmepiphany

    9mmepiphany Moderator

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    Have you tried inserting an empty magazine and racking the slide back. If it locks back, it isn't a gun issue; if it does, it is either a mag or ammo problem
     
  6. Archangel14

    Archangel14 Member

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    Thanks, I'll try that and get back. And yes, I clean and oil after every range session. I use Mobile One, but am considering some Slip Steam. I don't know why, frankly, as Hoppe's gun oil has worked fine in my revolvers.
     
  7. railroader

    railroader Member

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    I have a sig xo 1911 that was having slide lock problems when I first got it a few weeks ago. I tried a slide stop out of my kimber and the started working fine. Now about 400 rounds later I put the original slide stop in yesterday and the gun ran fine. I guess it needed some breaking in.
    (UPDATE)
    I tried racking some rounds through my sig this morning and it failed to lock back again a few times. Sig sent me a new slide stop last week so i put it in and it slide locks properly. Hopefully this is the end of this.
     
    Last edited: Jun 24, 2012
  8. 918v

    918v Member

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    Stainless autos like special lubes designed for stainless on stainless action. Otherwise they gall.
     
  9. Drail

    Drail Member

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    That used to be true when stainless guns were first made. It is not true anymore.
     
  10. 918v

    918v Member

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    It is true. You are wrong.
     
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