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.22lr fired out of battery.

Discussion in 'Rimfire Forum' started by k9Glock, Mar 25, 2010.

  1. k9Glock


    Apr 19, 2000
    This was shot out of my dedicated Spikes upper. The ammo I was using was CCI Blazer. Let me just say that my Spikes absolutely hates CCI mini mags and Blazers. I get FTF/FTE using this ammo. This round was fired slightly out of battery.
    I remember seeing a puff of white smoke and feeling a gush of air on my left arm. The round didn't damage the rifle/bolt assembly/bdm magzine at all.
  2. M2 Carbine

    M2 Carbine

    Dec 21, 2002
    A well designed gun should not be able to fire out of battery. The hammer should not be able to hit the firing pin if the bolt is not fully forward.
    But it does happen. Over the years I've had it happen quite a few times with 22LR.
    Generally it's like your experience, with no damage and no one hurt. But it does get your attention.

    Just as a wild guess I'd say the action needs some breaking in. The bolt may not be chambering the round without enough force.
    Also the chamber might be tight or the ammo case diameter a little large. Try different ammo.
    The quality control of 22LR ammo has gone in the toilet the last few years.

    I'd recommend you also don't bother with Remington 550 bulk pack. The bullet shape causes chambering problems with some of my guns also.

    You might try Wal Mart 550 Federal bulk pack. They work good in most of my guns.
    Last edited: Mar 25, 2010

  3. mteagle1


    Oct 17, 2008
    Great Falls, MT
    In theory it should not be possible for a .22 to fire out of battery because the firing pin needs a hard surface to pinch the rim against for the firing pin to ignite the priming mixture. From your pictures it appears that the cartridge jammed in the chamber short of being fully enclosed and the firing pin had enough force to ignite the priming mixture even though there was no pinching action. Either the gun has a very tight match grade chamber or the chamber was exceptionally dirty.
  4. k9Glock


    Apr 19, 2000
    Normally it doesnt go bang when the round is out of battery. I would clear it and sometimes I'll fire it again without any problems. This round was stuck in the chamber really good and I couldn't get it out. I tried shooting it again and it blew out the casing. I was shocked.
    Im using a geissele SSA trigger on a CMMG lower.
  5. When I am deccocking my rimfires, I pull the slide/ action about one to two millimetres back and pull the trigger. That works on most rimfires and centerfires, too. The rimfire is just smaller and weaker at the back.

    I had a similiar out of battery discharge with a ruptured case on an AA unit for my G30.
  6. DriBak

    DriBak GUNS UP Millennium Member

    Jul 4, 1999
    West Texas
    I have had this happen several times with my Ciener .22 conversion bolt