Trouble Changing 1911 Mag Springs

This is a discussion on Trouble Changing 1911 Mag Springs within the General Firearm Discussion forums, part of the Related Topics category; My last trip to the range with my brother, my nine month old Commander started failing to lock back when empty. Back at the house, ...

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Thread: Trouble Changing 1911 Mag Springs

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    Senior Member Array ICTsnub's Avatar
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    Trouble Changing 1911 Mag Springs

    My last trip to the range with my brother, my nine month old Commander started failing to lock back when empty. Back at the house, I tried a couple of my brothers mags, and the slide stop was working fine.

    Fast forward, and Gary brought me over some Wolff +5% springs. So I'm thinking I can avoid trashing 2 mags. They are marked for use with Colt 8 round mags. Now that I have them in, the wire looks bigger, not fitting the hook in the follower, and one won't come forward enough to even catch the hook. Any thoughts(besides buy BrandX mags)?

    Thanks, Tom

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    VIP Member Array Supertac45's Avatar
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    What brand mag do you have?
    Les Baer 45
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    Senior Member Array ICTsnub's Avatar
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    Factory Colt 8 round

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    VIP Member Array AZ Husker's Avatar
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    Sure you have the right end up? It's a simple mistake.
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    You can carefully file the spring wire down to fit under the follower tab. Be careful not to nick the spring anywhere else with the file though as that will create a future breakage point.

    You have nothing to lose by doing that.
    Liberty Over Tyranny Μολὼν λαβέ

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    Senior Member Array ICTsnub's Avatar
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    Quote Originally Posted by AZ Husker View Post
    Sure you have the right end up? It's a simple mistake.
    Yup, was very careful to match them up.

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    Senior Member Array ICTsnub's Avatar
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    Quote Originally Posted by QKShooter View Post
    You can carefully file the spring wire down to fit under the follower tab. Be careful not to nick the spring anywhere else with the file though as that will create a future breakage point.

    You have nothing to lose by doing that.
    Don't like filing on a spring. I'm kinda irked they they say they fit Colt 8 round mags, but they don't.
    Last edited by ICTsnub; September 29th, 2008 at 12:54 AM. Reason: sp.

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    Filing springs. You can do it. Use a fine cut jewelers file.
    If you really want to be extra cautious then follow up with some 3M Silicon Carbide paper and sand and polish any remaining file marks smooth.

    I used to do it all the time with replacement magazine springs for the European Browning BDA .45 mags since the American replacement springs never fit the floorplate locking slot. Never had a problem.

    Also it's a pretty established way of lightening older S&W hammer springs.
    Just don't leave any nicks which will create a weak area.
    Muzzle loader builders also file the lock work springs in order to fit and adjust them all the time.
    You just need to keep things smooth and careful.

    Also one way of lightening coil springs is to slip them over a tight fitting mandrel and file the outside of the coils while the spring is turning on the lathe...and then you finish up by shoe-shining the spring with progressively finer grits of 3M paper until the spring surface is re-polished.
    Liberty Over Tyranny Μολὼν λαβέ

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