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Thread: Ammo

  1. #1
    Junior Member
    Join Date
    Jun 2009


    This is not an actual Glock question, but I thought someone out there would know. What is the actual amount of time you should keep the ammo you put in your carry weapon, before using it at the range and then purchasing more.. Thank goodness I have never had the need to use my weapon for SD, so the ammo stays around. Usually every six months or so I just use that ammo at the range. I wouldn't want "old" ammo to fail at the wrong moment. Is this a real concern, or is it just me? Thanks.

  2. #2
    Senior Member Steve M1911A1's Avatar
    Join Date
    Feb 2008
    Northwest Washington State
    Modern factory-made ammunition will last a long, long time, given cool, dry storage conditions.
    However, when it has been loaded into a pistol, the story changes somewhat.

    If the cartridges, or some of the cartridges, in a magazine have been cycled through the action (chambered), there is a possibility that doing so has pushed the cartridges' bullets a little deeper into their cases. If this is repeated sufficiently, the result of firing the cartridges may be excessive pressure and the remote chance of doing serious damage to gun or hand.
    Therefore, it is best to occasionally fire-off the magazine-full of cartridges, some of which have been chambered more than once. Doing so should afford you some good practice time, and will assure you that your weapon and its ammunition continues to function well.

  3. #3
    Senior Member Bisley's Avatar
    Join Date
    Aug 2008
    East Texas
    I agree.

    I take pains not to cycle the same round all the time when loading or unloading, and when I start to lose track of which rounds have been cycled, I just go ahead and shoot the whole magazine.

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  5. #4
    Member HGF Gold Member dosborn's Avatar
    Join Date
    Apr 2009
    Springfield, MO
    +1 for Steve and Bisley, setback is a major issue, especially in .40 S&W. Another problem that could occur is from over oiling. I have had .22 rounds that went bad because oil had made it's way inside the cartridge somehow.

    If you shoot your EDC as often as you should, you won't have any problems.

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