Leaving a weapon in the car repeatedly during cold and hot weather.

This is a discussion on Leaving a weapon in the car repeatedly during cold and hot weather. within the Concealed Carry Issues & Discussions forums, part of the Defensive Carry Discussions category; Since I am not allowed weapons in my place of work I am courious about the affects of repeated exposure to extreme heat and cold ...

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Thread: Leaving a weapon in the car repeatedly during cold and hot weather.

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    New Member Array Ruger38Spl's Avatar
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    Leaving a weapon in the car repeatedly during cold and hot weather.

    Since I am not allowed weapons in my place of work I am courious about the affects of repeated exposure to extreme heat and cold on both the weapon and ammo. I leave the gun in the glove box so it is available on the way to work and for carry purposes for any errands on the way home.

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    Member Array mgillitzer's Avatar
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    The weapon should have no ill effects due
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    Firearms have been around much longer than the technology to keep things and people climate controlled has.
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    In general, the gun is less affected by temp swings; the ammo more so, but nothing to lose sleep over.

    I'm a native New Englander relocated to the AZ desert for a decade now... I'm quite familiar with both ends of the thermometer. But since you're in Texas, I'll talk to the upper end. What I've noticed is that in hot temps, I need to lube the guns (autoloaders in particular) more often. Conventional lubes tend to migrate due to gravity and evaporate in the hot summer months. As a result, my autoloading pistols get grease (Slide Glide is my choice) on sliding parts like slide rails, and oil on rotating parts like pivot pins. The grease remains in place in extreme temps (measured my glovebox temp at over 140F last summer), but the oil needs to replaced periodically. A weekly check should be sufficient.

    Regarding ammo, AZ is a truly dry climate and condensation is a rare problem. I've kept ammo in the car for over a year and it's never failed to go bang. I suppose if you're coastal and you've got ammo in the glovebox, it could develop some condensation after a hot soak when the AC cools the car down, but I would truly be surprise if that compromised the ammo performance in any way. If you want to be absolutely safe, I'd suggest rotating (replacing) your carry rounds on a monthly or bi-monthly basis.
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    Keep it cleaned and lubed. It will work if you know how to use it.

    However, if you choose to go amphibious with it, you will need to fully brake it down (yeah, the little springs and stuff) and make sure those parts do not lack lubrication, and propper love.

    If you choose to own and depend on a firearm/weapon, you had just be learning to be an expert on that particular firearm/weapon. Just sayin............................

    Good Question! What ^^^^ gasmitty said (above).
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    VIP Member Array Smitty901's Avatar
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    The weapon don't care. Reaped movement from cold and warm may require a wipe down more often to remove condensation.
    Extreme cold where the weapon is not next to your body may make using a lighter lube a good idea on some hand guns.
    Ammo you need to shoot what is in the the weapon now and then and replace it with new rounds from reliable storage no madder what anyway.

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    Quote Originally Posted by Ruger38Spl View Post
    Since I am not allowed weapons in my place of work I am courious about the affects of repeated exposure to extreme heat and cold on both the weapon and ammo.
    Keep it clean and well-lubed. All should be well.

    Ammo is self-contained. Though, the exterior surfaces can, over time, develop minor corrosion. But with defensive ammo we're unlikely to be keeping it around forever, particularly inside of a given gun. Rotate the ammo on a reasonably regular basis (something less than 1yr timeframe), and you shouldn't have any problems.

    Firearms have metal parts, and not all metal bits in all guns are going to be treated against all environmental conditions equally well. So, just keep your gun clean and free of debris, well-lubed. Occasionally, do a "deep" clean, to get into all the little nooks and crevices, check the springs/bars and other little metal pieces that could, over time, develop little problems here and there. Imagine a gun that's being dunked in salt water frequently, then not cleaned nicely. In time, it'll begin to develop issues. Go after the gun occasionally as though it were that sort of thing, a gun that's been subject to such threats. Treated that way (albeit on a much longer timeframe, given that it's not salt water you're speaking of), it's hard to imagine a given gun's going to give up the ghost with any frequency.
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    I know this is not the question you asked, but I'd be more concerned about someone stealing the gun left in a glove compartment.
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    Try not to leave cast bullets in the gun if it is exposed to extreme heat. The lube may soften or even liquify and contaminate the powder charge. I have known of this happening to 44 special factory loads after being left in a vehicle during the day for about a week. Leaving the windows open 1/4" and the use of a sunshade,will drop interior temps over 100 degrees. Would you want to put your gun in a 200 degree oven? I have "heard" of thin wooden grips cracking on 1911s after extended exposure to high heat. It does get hot down here in GA. I am not picking on polymer guns but, direct exposure to sunlight while in a closed vehicle may cause warpage of the frame in the non-reinforced areas. Some of the polymers used today have good "memory" and will return to their original shape after cool down. 1 of my Glocks developed the "Pig Nose" and has never been exposed to high temps.. Then again, how do you fix the "Pig nose" on a Glock...Heat it up and bend it back..

    Just food for thought.
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    They are built for war, hot and cold arent going to hurt them.

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    As the others have said, keep it clean and lubed and you should be good to go. If transitioning from cold to heated areas you may encounter condensation on your gun. Wiping it down and keeping it lubed will protect it.
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    Distinguished Member Array Once's Avatar
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    You should be fine with any modern firearm

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    I have never pamperd my babys. except when at -50f, to much lube on fireing pin may give problems ??

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    Quote Originally Posted by gasmitty View Post

    Regarding ammo, AZ is a truly dry climate and condensation is a rare problem. I've kept ammo in the car for over a year and it's never failed to go bang. I suppose if you're coastal and you've got ammo in the glovebox, it could develop some condensation after a hot soak when the AC cools the car down, but I would truly be surprise if that compromised the ammo performance in any way. If you want to be absolutely safe, I'd suggest rotating (replacing) your carry rounds on a monthly or bi-monthly basis.
    A/C will only dry the air in the car, it removes moisture from the air. That is why it runs in the defrost position, moisture clings to the evaporator and is dripped out on the ground.
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