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Very Dangerous 22lr experience today

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  • Chunky_lover
    Senior Member
    • Jan 2008
    • 1938

    Very Dangerous 22lr experience today

    So I havent been shooting in probably a month. Took my ar 22 conversion ( spikes bolt ) out and the first shot sounded weird, very loud and smoky. Didnt cycle the next round, and each round after that was the same thing. The shells were blown out and on one of them the lead fell out when I took the mag out. The ones I could find all had rim strikes but one, that one blew up in the mag as it was the next to the one that shot out and blew up. I was afraid the solid guide rod had something to do with it so I put in my original and same thing happened. When I would check the barrel it would be full of powder all throughout the interior. Tried a different mag and same thing. So I got my dads marlin rifle, same thing exploded shell and poof of smoke when fired, and loud sound. I tried his cci ammo and everything was perfect and normal.

    Now ive used this ammo 2 other times but only a few mags worth as other people were using my rifle and had there own different brand ammo. Never have I had this much problems with ammo blowing up on me. I did use my dads ammo 100 rounds with each one firing and the normal sound so im sure it was my ammo.

    On the way home I was thinking what could cause the ammo to go bad. I keep it in a closet in a ammo box. But in that box the last 2 times I went out shooting I had left a bottle of tetra copper solvent, which had a hairline crack on the lid. Im wondering if the fumes somehow ruined the brass ammo. I remembered I smelled the fumes when I first opened the ammo can today before shooting. That ammo can seals very well.

    Anyone think thats possible, the solvent fumes ruined the ammo.
    I still have 2 more boxes of this, luckily kept in a different room then this stuff, but im concerned if it wasnt the fumes then is the ammo bad. Could all the ammo somehow go bad in 3 months around 70-90 dry temp.
    I would like to contact winchester about this but there is no phone number on the box. Anyone have the info for me.

    Pics of ammo, the one laying down thats wide open has no primer strike, and blew up under the one that was being fired ( the fired one also blew up) All shells are cracked in the rear, the ones I fired not the new ones in the box. I may have only shot 10 rounds or less from the times I used it so its basically a full box.





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  • #2
    Jicko
    Calguns Addict
    • Dec 2005
    • 8774

    Firing out of battery?
    - LL
    NRA Certified Firearm Instructor
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    • #3
      Chunky_lover
      Senior Member
      • Jan 2008
      • 1938

      Originally posted by Jicko
      Firing out of battery?
      Dont think so as the first shot of the day did the same thing, I had used this ammo last month, no problems. I used my dads cci ammo today 100 rounds fired perfectly. Only in the past with a different hammer spring I got OOB's and that was only 3 times, today it was every shot, and in another rifle today.
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      • #4
        jdberger
        CGN/CGSSA Contributor
        CGN Contributor
        • Oct 2005
        • 8944

        any signs of corrosion on the cases?

        It's possible that the solvent weakened the brass. Otherwise, I'd contact Winchester and let them know. They might have had a batch of ammo with weak heads.
        Rest in Peace - Andrew Breitbart. A true student of Alinsky.

        90% of winning is simply showing up.

        "Let's not lose sight of how much we reduced our carbon footprint by telecommuting this protest." 383green

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        • #5
          Chunky_lover
          Senior Member
          • Jan 2008
          • 1938

          Yeah I really dont want to tell them about the solvent in the same container, and I dont care if I loose this box, its just I have 3 more brand new ones all bought at the same time. I cant really find a lot number but there are random numbers on the top inside flap. I e mailed them so maybe they can let me know if the ammo goes bad sitting around or its on there side.

          It just takes me a while to get around to shooting, sometimes months.
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          • #6
            Chunky_lover
            Senior Member
            • Jan 2008
            • 1938

            Opened up another box of the same stuff, and only the copper tip is brighter then the stuff I shot today. The brass is the same color.
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            • #7
              jdberger
              CGN/CGSSA Contributor
              CGN Contributor
              • Oct 2005
              • 8944

              Tell them about the solvent. They won't make you sit in the corner or anything. It will actually help them diagnose the problem. Exploding cases aren't good for anyone.
              Rest in Peace - Andrew Breitbart. A true student of Alinsky.

              90% of winning is simply showing up.

              "Let's not lose sight of how much we reduced our carbon footprint by telecommuting this protest." 383green

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              • #8
                Chunky_lover
                Senior Member
                • Jan 2008
                • 1938

                I probably will, I just sent them a generic type of e mail stating what happened today. If they respond back I will tell them more.
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                • #9
                  dchang0
                  Veteran Member
                  • Jul 2008
                  • 2772

                  It might be one of these things:

                  1) The solvent's fumes definitely got past the loose crimp of the case and might have interacted with the powder or primer, making it more volatile.

                  2) The solvent's fumes may have interacted with the copper plating and caused it to increase a teeny bit in size, thereby causing the round to get slightly "stuck" in the throat (not completely stuck) and causing operating pressures to increase dramatically. (This is incidentally why they put wax on bare-lead .22LR ammo, to prevent the lead from oxidizing and expanding.)

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