9MM Round Cook Off

Discussion in 'Handguns: General Discussion' started by jehu, May 26, 2005.

Thread Status:
Not open for further replies.
  1. jehu

    jehu Member

    Joined:
    Mar 21, 2005
    Messages:
    396
    Could the temp. inside a car get hot enough to cook off a round in a loaded gun left in the car? I do not think so but just asking. :confused: :uhoh:
     
  2. Chipperman

    Chipperman Member

    Joined:
    Dec 25, 2002
    Messages:
    4,572
    Location:
    Essex Co, MA
    No.
    The car would suffer a lot of damage before the round would cook off.
     
  3. armoredman

    armoredman Member

    Joined:
    Nov 19, 2003
    Messages:
    17,903
    Location:
    proud to be in AZ
    Nope. I watched a shotgun shell melt on the dashboard of a buddy's truck here in AZ. He felt pretty stupid...
     
  4. sgt127

    sgt127 Member

    Joined:
    Apr 29, 2003
    Messages:
    1,570
    I happen to know that you should not leave a can of OC on the dash of a Ford Pickup...in the summer...in Texas. Even if you just threw it there the night before and forgot about it.
     
  5. perception

    perception Member

    Joined:
    May 24, 2005
    Messages:
    90
    Location:
    Murfreesboro, TN
    ^ I bet that was a real mess to clean up.
     
  6. Double Naught Spy

    Double Naught Spy Sus Venator

    Joined:
    Dec 24, 2002
    Messages:
    11,121
    Location:
    Forestburg, Texas
    A pressurized can of OC is not the same thing as a 9mm round.
     
  7. Chipperman

    Chipperman Member

    Joined:
    Dec 25, 2002
    Messages:
    4,572
    Location:
    Essex Co, MA
    I don't think he was implying that, but pointing out that some things are NOT safe in a hot car.

    caution, thread drift ahead:
    What's that old story about the woman who had a can of dough in the hot car? Apparently it was hot enough that the can "popped" causing the dough to splat against the back of her head. She thought she had been shot and her brains were coming out. Funny story.

    Here's a link to the story:
    http://www.snopes.com/crime/safety/biscuit.htm
     
  8. sgt127

    sgt127 Member

    Joined:
    Apr 29, 2003
    Messages:
    1,570
    A pressurized can of OC is not the same thing as a 9mm round.

    Well for goodness sakes, no wonder they won't fit in the magazines, silly me.
     
  9. lbmii

    lbmii Member

    Joined:
    May 17, 2004
    Messages:
    1,020
    Location:
    Overland Park, Kansas
    I would think not because there would have been a lot of rounds going off in police cars and military trucks.

    Soooo, my friend's brother borrowed his dad's new Lincoln Town Car that had a cream velour interior. He left an unopened can of pop on the dash. The car heated up in the summer sun. The can of pop blew up. There is no detail shop that can fully fix this one! Very bad sceen with the dad. Every time he uses the defrost it smeels like Dr. Pepper.
     
  10. Partyguy816

    Partyguy816 Member

    Joined:
    Oct 5, 2004
    Messages:
    167
    Well I hope ammo won't cook off. I have two magazines loaded with .40's in my truck. It does get very very hot down here in Texas. Maybe I ought to take them out just to be safe.
     
  11. recondoc

    recondoc Member

    Joined:
    Oct 6, 2003
    Messages:
    115
    Location:
    Boerne, Texas
    I had lots and lots of 9mm, 5.56, 7.62, .50BMG, AT-4 Rockets, SMAW Rockets, Grenades, and 40mm rounds along with a few blocks of C-4 piled in the back of a 7ton truck with my platoon on the way to Baghdad. It was spiking some nasty hot temps over there and we even took a few stray rounds through our truck at times. All ammo was stored in OD green cans of various sorts. No cookoffs.
    I did get to count about 13 RPGs rip past me in about a 10 minute time span while we were fighting our way through An Nazaria. I'm just happy the guys shooting them weren't that good.
    Doc
     
  12. sgt127

    sgt127 Member

    Joined:
    Apr 29, 2003
    Messages:
    1,570
    Off Topic.

    recondoc: I'm glad they were bad shots also, and, thank you for your service.
     
  13. 1911 guy

    1911 guy Member

    Joined:
    May 5, 2005
    Messages:
    6,868
    Location:
    Garrettsville, Oh.
    fuse box

    Just don't put a .22 LR in place of an auto fuse, a la Ted Nugent!
     
  14. StrikeEagle

    StrikeEagle Member

    Joined:
    Jul 8, 2004
    Messages:
    709
    I never thought about ammo cooking off from being in a blazing hot car... but...

    I don't do that because I'm concerned that the heat/cooling might chemically alter the powder in some way and change the burning rate. I'm not a chemist, but I do know that 'cool, dry' storage is highly recommended for ammo.

    So, as a general rule, I wouldn't do it.

    StrikeEagle
     
  15. eab

    eab Member

    Joined:
    Feb 7, 2005
    Messages:
    265
    Last december or so in the Sheboygan county area of WI some pistol ammo cooked off when a spotlight got turned on in a bag with the ammo sitting on top of it.

    So ammo can cook off if it gets hot enough, do not think it can get hot enough ambieant temp wise in a car though... My 2 cents....
     
  16. AZ Jeff

    AZ Jeff Member

    Joined:
    Jan 21, 2003
    Messages:
    821
    Location:
    Phoenix, AZ
    I don't remember the exact temperature at which smokeless powders will ignite, but it's WELL over 500 degrees F.

    So.....since I don't know of any environment where interior car temperatures can reach 500 degrees F, the answer is NO.
     
  17. perception

    perception Member

    Joined:
    May 24, 2005
    Messages:
    90
    Location:
    Murfreesboro, TN
    I saw some pictures of a can of white spray paint that let go in an all black leather Mercedes. I've never seen such a mess in my life.
     
Thread Status:
Not open for further replies.
  1. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
    By continuing to use this site, you are consenting to our use of cookies.
    Dismiss Notice