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Why are Glocks always called DAO guns?

Discussion in 'General Glocking' started by GasTurbine, Jun 14, 2012.

  1. GasTurbine

    GasTurbine Porschey Power!

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    I know they categorize it that way because of it longer pull, but the fact is, (besides going thru all the safeties) it preforms just one action...releasing the striker, thus, technically making it an SA gun.

    I know that Armslist has "Striker fired" added to their "Action types"...I hope this catches on.
     
  2. DannyR

    DannyR Moderator Millennium Member

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    The designation has nothing to do with the length of the trigger pull. Since there is no hammer to cock or decock, it is designated DAO.

    I just love the sound effects on some TV shows when you hear someone cocking a Glock.:wavey:

    Think in terms of revolvers:

    Single Action
    SA/DA
    DAO
     

  3. emtjr928

    emtjr928

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    Because they are! Drawing the trigger to the rear completes the setting of the striker spring before it releases the striker.

    Outdoor Hub mobile, the outdoor information engine
     
  4. leedesert

    leedesert Diss--Member

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    The striker is only preloaded in normal conditions. The trigger pull brings it back the rest of the way and the trigger spring assists with that pull. If there were no trigger spring it would feel more like a revolver.

    Do I have that right guys?
     
  5. Bruce M

    Bruce M

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    To me one of the reasons may be because every time the trigger is pulled and the gun fires the trigger pull is the same as opposed to a revolver fired double and then single action or the first and subsequent shots on a traditional double action.
     
  6. GasTurbine

    GasTurbine Porschey Power!

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    I feel you guys, but typically (in "normal" terms) when we say "Double Action" its referring to the (first action) setting of the hammer spring. The second action is releasing of said spring. Since striker fired pistol already have the sticker pin loaded in normal conditions, that should make it a single action...at lease in my eyes. Oh well. :crying:
     
  7. Raleigh Glocker

    Raleigh Glocker

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    Yeah, I just call them "striker fired." That's all you really need to know about the action and how it compares to other pistols.
     
  8. Clay1

    Clay1

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    The "Safe" action is different than a normal double action trigger or a normal single action trigger.
    The reason that IDPA classifies it in the same category as a Beretta 92 which is a true double action first shot gun is that the striker isn't fully to the rear like others have mentioned. I find this animation really lets you see why IDPA classifies it that way: [ame="http://www.youtube.com/watch?v=-e_3Ihpq9T4"]Glock Function Animation - YouTube[/ame]

    Pay particular attention to the striker during the trigger pull and you will see the "Why" to your question.
     
    Last edited: Jun 14, 2012
  9. leedesert

    leedesert Diss--Member

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    A single action requires no further setting of the hammer. The trigger strictly releases it. The striker in a Glock still has to be pulled back the rest of the way and then released. If a Glock was SA we would have a much sweeter trigger pull but would then need an external safety.
    That would make it "not" a Glock.

    Sent via mental telepathy.
     
  10. ron59

    ron59 Bustin Caps

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    Glock doesn't call their action DAO, but rather "Safe Action". IDPA uses the same terminology. There's a difference.
     
  11. M&P15T

    M&P15T Beard One

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    Watch the video above....you'll see why you're wrong.

    There are TWO actions happening from the pulling of a GLOCK trigger, not one.

    Still, they're striker fired, not DOA.
     
  12. emtjr928

    emtjr928

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    FWIW, In Glock's own Armorer Manual Technical Specifications and in their Armorer Course, each pistol is described as Action: Safe Action (constant double action mode).
     
  13. Z71bill

    Z71bill

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    I always think of a true double action having second strike capability. Anything less is not true double action because it takes an additional separate action to get the gun to fire.

    Maybe Glock is "two" action :upeyes:- or 1 1/2 action :cool:- but it is not double action.
     
  14. samurairabbi

    samurairabbi Dungeon Schmuck

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    Single Action and Double Action are REVOLVER terms that, unfortunately, were carried over into autoloader applications because (in my opinion) too many people had too much time on their hands and could not find any better philosophical question to expend all the excess on!

    Enormous mental, print, and electronic resources have been expended because of this kludgy attempt to adapt this terminology. I weep for this tragedy! (OK, I've sounded off; now I'll crawl back in my hole and resume contemplation of the karmic harmony of the universe.)
     
  15. PAGunner

    PAGunner

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    Even better is when a movie cop rack's his/her slide, to let you know they mean business.
     
  16. SouthernBoyVA

    SouthernBoyVA

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    This is not true. The trigger performs two tasks. 1) It completes the cocking of the striker and, 2) It releases the striker to fire a cartridge. This is two distinct actions by the trigger, ergo the definition of DAO.

    About two years ago, I got into a spirited discussion about this very topic on another website so I took it upon myself to contact Glock and to speak with a tech/designer. He assured me that the Glock design was a DAO design and that this was also the designation that the BAFTE assigned to the pistol (not that that would make a world of difference).
     
  17. SouthernBoyVA

    SouthernBoyVA

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    Nope. Example is the M&P Smith and Wesson. S&W defines the M&P as a DAO pistol but in reality, the striker is held in a fully cocking position prior to release. The trigger only does one thing; it releases the striker via the sear. It does not cock the striker any more than it is already. I believe the XD series operates this same way.
     
    Last edited: Jun 14, 2012
  18. TheJ

    TheJ NRA Life Member Lifetime Member

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    ^^This.




    Of course it is really quite different from the traditional DOA hammer fired guns.. but since the trigger pull does two things and can not be fired any other way, it seems that it is literally DAO.
     
  19. Z71bill

    Z71bill

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    I can't recall which TV show - maybe Criminal Minds - JJ (A.J. Cook) :hearts:

    Police guys get ready to break down a door - guy racks the slide - then they kick in the door & rush in - same guy racks the slide again to let the BG inside know he means business.
     
  20. leedesert

    leedesert Diss--Member

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    I think a good indicator that you mean business is pulling the trigger. :confused:



    Sent via mental telepathy.
     
    Last edited: Jun 14, 2012