Loaded guns in hot cars...safe?

This is a discussion on Loaded guns in hot cars...safe? within the General Firearm Discussion forums, part of the Related Topics category; Here in Alabama the temperature has been over 100 degrees for a week now and the heat wave is predicted to continue into the weekend. ...

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Thread: Loaded guns in hot cars...safe?

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    New Member Array jay4au's Avatar
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    Loaded guns in hot cars...safe?

    Here in Alabama the temperature has been over 100 degrees for a week now and the heat wave is predicted to continue into the weekend. How safe is a loaded gun in the glove compartment of a car when the outside temperature is over 100? How does the temperature affect the ammunition, if at all? Thanks.

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    It doesnt. It needs to get mighty hot before a round will cook off.
    "Just blame Sixto"

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    VIP Member Array Sig 210's Avatar
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    The round will not cook when left in a gun in a hot car. Elevated temperatures over a prolonged period of time will cause ammunition propellant to degrade.

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    Quote Originally Posted by Sig 210 View Post
    Elevated temperatures over a prolonged period of time will cause ammunition propellant to degrade.
    Good point.
    "Just blame Sixto"

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    If you shoot your carry ammo at least once every 3-4 months should be an issue.

    I round will cook off if it is on fire, not in a 130 degree car.

    9 days of records 105 today boy is it hot.
    “You can sway a thousand men by appealing to their prejudices quicker than you can convince one man by logic.”

    ― Robert A. Heinlein,

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    VIP Member Array Rob99VMI04's Avatar
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    Quote Originally Posted by jay4au View Post
    Here in Alabama the temperature has been over 100 degrees for a week now and the heat wave is predicted to continue into the weekend. How safe is a loaded gun in the glove compartment of a car when the outside temperature is over 100? How does the temperature affect the ammunition, if at all? Thanks.
    Think of the guys in IRAQ riding around in 120 degree whether inside a Bradley probably 140-80. If your constantly changing temp you have more worry about condensation and rusting.
    “Are you a thermometer or a thermostat, do you reflect or become what is happening in the room or do you change the atmosphere, reset the temperature when you come into the room”?--Chuck Swindoll

    Its not about guns...Its about Freedom!

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    Exclamation Hottt !

    I HAVE FIRED M-60 MACHINEGUNS UNTIL THE BARREL GLOWED RED IN BROAD DAYLIGHT WITHOUT ANY ROUNDS COOKING OFF.
    U.S. Army Veteran

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    New Member Array jay4au's Avatar
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    Thanks for the good info. I read today a story citing a car temperature above 150, and I wasn't aware it got that hot. pgrass101, I see you're from Alabama. A group of us shoot at the FOP range in Pleasant Grove. Are you anywhere near? Perhaps you could join us.

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    Senior Member Array Daddy Warcrimes's Avatar
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    Quote Originally Posted by pistola View Post
    I HAVE FIRED M-60 MACHINEGUNS UNTIL THE BARREL GLOWED RED IN BROAD DAYLIGHT WITHOUT ANY ROUNDS COOKING OFF.
    The M-60 fires from the open bolt. That doesn't really count.
    "and suddenly I can not hold back my sword hand's anger"

    DaddyWarcrimes.com

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    Member Array top_gizmo's Avatar
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    I was asking the same question here: http://www.defensivecarry.com/vbulle...ad.php?t=30679

    I measured the temp in my trunk at 131 deg. Also measure it in a Styrofoam cooler with no ice at 120 deg.

    I was kinda worried about my first round fizzing out when I needed it...

    I think I will opt to sticky my mag in my lunch box.
    Semper Fi!

    Engineers Up!

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    Quote Originally Posted by jay4au View Post
    Thanks for the good info. I read today a story citing a car temperature above 150, and I wasn't aware it got that hot. pgrass101, I see you're from Alabama. A group of us shoot at the FOP range in Pleasant Grove. Are you anywhere near? Perhaps you could join us.

    I'm in Montgomery

    Is that the Pleasant Grove in North Alabama or the one down South?
    “You can sway a thousand men by appealing to their prejudices quicker than you can convince one man by logic.”

    ― Robert A. Heinlein,

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    New Member Array jay4au's Avatar
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    pgrass101, the FOP range in Pleasant Grove where we shoot is near Bessemer in the greater Birmingham area.

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    PM sent to you jayforau
    “You can sway a thousand men by appealing to their prejudices quicker than you can convince one man by logic.”

    ― Robert A. Heinlein,

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    Quote Originally Posted by jay4au View Post
    Thanks for the good info. I read today a story citing a car temperature above 150, and I wasn't aware it got that hot.
    A few weeks ago I took an electronic thermometer from work to home. I tossed it in the car at lunch so I wouldn't forget it. This is in Maryland, and the outside temperature that day was about 97. When I got into my car (Subaru Outback) about 3:30 the inside temperature showed as 142 (Not in direct sunlight.), now you know why all the warnings about kids and pets!!
    Rick

    EOD - Initial success or total failure

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    Just as an oddity, I guess, recently was at a meeting where I couldn't carry, so left my 1911 in the console of my '04 Chevy pickup. Outside was very close to triple digits, and down right heated when I got back into the pickup, but when I opened the console to retrieve my gun it was no more than skin temp. Seemed to be some insulative qualities. May have to start keeping sodas in there.
    NRA, USPSA SS & Lim-10
    Blessed are they who, faced with danger, think only of the front sight. J. Cooper

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