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How long should you keep the same ammo in your gun?

Discussion in 'General Firearms & Ammo' started by ag1052, Sep 19, 2013.

  1. ag1052

    ag1052 Member

    Sep 9, 2013
    Lets say you have a concealed carry handgun and you keep hallow point ammo in there for self defense. You use FMJ's for practice but you keep the more expensive ammo for personal protection. Odds are you will not need to use the gun but you have it just in case. Is there a length of time where it is recommended to change out the ammo? If it had the same ammo for a very long time could something go wrong? Im still pretty new at this but would moisture or something like that cause problems over time? How long before you should switch it out?

  2. Koinonia

    Koinonia Well-Known

    Sep 10, 2012
    San Antonio
    Most ammunition is pretty well guarded against liquid getting to the powder. Check the outside of the casings for rust - if you see a little bit forming, go to the range and shoot it, and replace it. Otherwise, I believe it'll be fine.
  3. Vaquero

    Vaquero Pre-ban

    Apr 4, 2011
    Out West
    Most people worry more about the mag spring weakening.
    The ammo should be fine unless you fall in a pool or something, it'll probably be fine even then.
  4. Shotgun Jeremy

    Shotgun Jeremy TGT Addict

    Jul 8, 2012
    Copperas Cove
    The mag spring will be fine if you're keeping it compressed all the time. Steel springs don't loose pressure from being compressed-they lose it from action (ex:dumping and reloading mags....a lot) wearing them down. Even then-buy good, quality mags and you shouldn't ever really notice this unless you do a lot of competition shooting, combat, or are at the range weekly.
  5. dustycorgill

    dustycorgill Well-Known

    Jan 28, 2013
    Garland, Texas
    Especially if its a GLOCK !!!!!

    Sorry Vaquero.......couldnt resist.:cool:
  6. CrazedJava

    CrazedJava Well-Known

    Sep 5, 2013
    Depends on your ammo. Most quality self-defense rounds (JHP's) are not just brass and lead. I expect they'll be just fine for years depending on your climate/environment.

    I do check my ammo. The range stuff I don't worry about but my home defense rounds are inspected fairly regularly since I don't use them at the range. Like someone else said, if I saw rust I'd shoot them and replace. Maybe in that order.
  7. Bitbanger

    Bitbanger New Member

    Apr 11, 2013
    I actually make it a point to occasionally shoot "the good stuff". Over the course of a year I'll go through maybe a box or two of the SD, if nothing else just to ease my mind that everything is still working ok and that the difference between the rounds isn't an issue (for the gun or me). Nice side effect of course is that ensures that anything that is loaded is no more than a year old. Of course I use standard FMJ for "normal" practice all the other times.
  8. Southpaw

    Southpaw The High Holy Mufchetet TGT Supporter

    Mar 30, 2009
    Guadalupe Co.

    I do the same.... when I get to the range, I will shoot off what is in my carry or house guns.
  9. SIG_Fiend

    SIG_Fiend Administrator TGT Supporter Admin

    Feb 21, 2008
    Austin, TX
    At least once every 6 months. Especially carry guns. You will get all sorts of clothing and skin debris in the gun, among other things. This means clearing your gun each time. You should only chamber a round so many times, as there's always the potential for bullet setback. Compare it to a new round and if there's any significant difference in OAL, toss it in a container to dispose of or fire off on the next range trip. Also, I have seen at least one instance where a mag sat loaded to full capacity for a significant period of time, and for whatever reason, the shell of the top round deformed from the constant pressure against the feed lips. It basically left a minor flat spot or two on the shell which prevented chambering. Bottom line, don't let your stuff sit for long periods of time. Keep ensuring it's properly maintained, and cycle your carry ammo out ever so often accordingly. Plan on going through a couple boxes or more per year of carry ammo. Not a big deal.
  10. shortround

    shortround TGT Addict

    Jan 24, 2011
    Grid 0409
    Every three months, go to the range and shoot all the ammo in your carry mag + whatever you have left of that box.

    Clean gun and lube gun thoroughly, and top off mags with fresh SD ammo.

    1. You'll know what works in your gun.

    2. Reload and carry on.

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