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Thread: Making an M4 winter ready.

  1. #1
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    Making an M4 winter ready.

    In my quest to make my M4 an all around gun, I recently got to thinking about making it more suitable for use in the cold. About the only addition I can think of right now would be to add a magpul enhance trigger guard or use the elarged trigger guard from the large MIAD grip package so it can be shot while wearing gloves. Can anyone else think of anything that might make an M4 better for cold weather.

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    Lube should be a very "light" oil, nothing heavy- honestly wonder if a synthetic, something like Milltec, might be best.

    For real cold, maybe a even a lighter buffer/buffer spring, but that would be pushing it it really cold hypothetical situation.

    Keep magwell, dustcover, barrel free from icy/snowy buildups.

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    The M16 series runs quite well in the cold as is. Just remember as stated to use a light oil, and not a whole lot of it. Kind of the same treatment you'd give one in the desert.

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    That was one other thing I was thinking about picking up would be some of those plastic shoot off muzzle caps. Do you think mobil 1 5w-20(I think that's what I'm using) is light enough?

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    Quote Originally Posted by SoDak View Post
    That was one other thing I was thinking about picking up would be some of those plastic shoot off muzzle caps. Do you think mobil 1 5w-20(I think that's what I'm using) is light enough?
    Mobil 1 is a very good synthetic oil, I have switched to it and am happy with it, many others like it as well. Though choosing a brand of lube will always be a personal choice. Keeping the dust cover closed is always a good idea in the field although I've had my bolt covered with snow and ice before. It was always cleared out with the first shot but it is probably best to reduce the chance of problems by just keeping the cover closed.

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    Remember too, that cold metal will "Sweat" when brought from the cold into a warm and or moist environment. Which if remaining inside one might want to clean off the moisture? Then if returning to a real cold environment that same moisture could freeze and cause trouble.

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    For true cold weather use USGI mags or HK mags no P Mags.
    Pat
    Serving as a LEO since 1999.
    USPSA# A56876 A Class
    Firearms Instructor
    Armorer for AR15, 1911, Glocks and Remington 870 shotguns.

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    Quote Originally Posted by Alaskapopo View Post
    For true cold weather use USGI mags or HK mags no P Mags.
    Pat
    Why is that?

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    In cold weather testing in Fairbanks Alaska 2 p mags that were tested failed at -40 below. Feed lips cracked rendering the mag useless. Mag pul is working on it I believe I gave them the person to contact who ran the test.
    pat
    Last edited by Alaskapopo; 11-25-08 at 03:23.
    Serving as a LEO since 1999.
    USPSA# A56876 A Class
    Firearms Instructor
    Armorer for AR15, 1911, Glocks and Remington 870 shotguns.

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    Quote Originally Posted by Alaskapopo View Post
    In cold weather testing in Fairbanks Alaska 2 p mags that were tested failed at -40 below. Feed lips cracked rending the mag useless. Mag pul is working on it I believe I gave them the person to contact who ran the test.
    pat
    2 out of?

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