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SR9c Trigger, is it DAO or SAO?

This is a discussion on SR9c Trigger, is it DAO or SAO? within the Ruger Pistols forums, part of the Pistol & Revolver Forum category; I've heard the trigger on the SR9c is considered DAO. Just wondering what everybody else thought. p.s. Sorry if this has been discussed before, couldn't ...


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Old March 22nd, 2011, 12:00 PM   #1
 
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SR9c Trigger, is it DAO or SAO?

I've heard the trigger on the SR9c is considered DAO.

Just wondering what everybody else thought.

p.s.
Sorry if this has been discussed before, couldn't find anything in the search.



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Old March 23rd, 2011, 04:59 PM   #2
 
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Double-Action (DA) trigger cocks the stricker (or hammer) and releases it (fires). The SR9C has Single-Action (SA) trigger. When you release the slide to load the first round, you cock the striker. The trigger releases the striker (fires). Recoil action cocks the striker for each subsequent round.
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Old March 23rd, 2011, 05:43 PM   #3
 
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Quote:
Originally Posted by Rock67 View Post
Double-Action (DA) trigger cocks the stricker (or hammer) and releases it (fires). The SR9C has Single-Action (SA) trigger. When you release the slide to load the first round, you cock the striker. The trigger releases the striker (fires). Recoil action cocks the striker for each subsequent round.
Good explanation. Thank you.
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Old March 23rd, 2011, 05:44 PM   #4
 
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Quote:
Originally Posted by DocuTex View Post
I've heard the trigger on the SR9c is considered DAO.

Just wondering what everybody else thought.

p.s.
Sorry if this has been discussed before, couldn't find anything in the search.
I would say a Striker Fired Pistola. After you rack a round, the firing pin is in a semi cock postion. Sort of a 1/2 DAO 1/2 SAO. I guess you would call it DAO........................................
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Old March 23rd, 2011, 05:54 PM   #5
 
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Quote:
Originally Posted by Rock67 View Post
Double-Action (DA) trigger cocks the stricker (or hammer) and releases it (fires). The SR9C has Single-Action (SA) trigger. When you release the slide to load the first round, you cock the striker. The trigger releases the striker (fires). Recoil action cocks the striker for each subsequent round.
Not exactly.

It's a pre-cocked DA striker fired. The action of the slide puts the striker in a sort of 1/4 to 1/2 cocked position. The action of the trigger brings it to full cock and releases. Watch the striker at the back of the striker cover when you pull the trigger to see this in action.

Not a SAO and not a true DAO. A true DAO would have a second strike capability if the first strike failed to fire the round.
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Old March 24th, 2011, 04:45 PM   #6
 
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rantingredneck,

Good observation! I forgot the striker motion when you pull the trigger.

I used to have an HK P7 with a cocking lever in the front of the pistol grip. That was a neat weapon! The P7 had a single-action trigger.

The only double-action triggers I recall are in double-action revolvers whose trigger pull rotates the cylinder, cocks and releases the hammer. I also remember an odd foreign-made automatic whose trigger pull actually moved the slide to load a round, cocked and released the hammer.

Regards,
Rock67
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Old March 25th, 2011, 06:47 AM   #7
 
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I used to think of the LCP as a DAO, until someone pointed out to me that the action of the slide actually pre-cocks the hammer, similar to the way the SR9/SR9c striker is pre-cocked. The LCP has the same pre-cocked DA action, though it is hammer fired instead of striker-fired.
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Old April 1st, 2011, 07:13 AM   #8
 
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So everybody seems to be seeing what I see. To me I would call it a hybrid.

1911s are SA

the fact that you can't pull the trigger and move the hammer after you have pulled the trigger once makes it a SA to me.

and same with the LCP but the hammer travels further so I would lean to DA, but there isn't the double strike so its still a SA.

there has to be term for this hybrid trigger.

this half cocked technology isn't new though, isn't this where the phrase "going off half cocked" comes from?
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Old April 1st, 2011, 07:33 AM   #9
 
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SR series autos are DAO.

the fact that the pull is shorter or lighter, or that the striker is half (or 3/4, or whatever) cocked, are all irrelevant. if the trigger completes the cocking action, however fractionally small it may be, then it is DA. regardless of how "different" it is compared to "traditional" DAO (or DA/SA) auto trigger pulls. same goes for the LCP.

in much the same way that the HK P7 is clearly a SA auto, even though it is not a "traditional" SA. the uniqueness of it's cocking mechanism is totally irrelevant, as it relates to what the TRIGGER does. and the trigger does not cock it, so it's automatically an SA.

if you aren't going to call the SR9's trigger DAO, then call it what it is... a Glock trigger.

Last edited by Stirfry; April 1st, 2011 at 07:35 AM.
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Old April 1st, 2011, 07:59 AM   #10
 
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Semantics perhaps but I do not consider the striker fired pistols like the Glock, M&P or SR9 to be DAO.

There is no restrike capability in the event of a misfire as the trigger is incapable of initiating the firing cycle, i.e. precocking the striker.
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Old April 1st, 2011, 08:17 AM   #11
 
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still, the definition of DA applies.
even if you rack the slide to reset the trigger and re-pre-cock the striker, the gun will STILL not fire until the trigger completes the cocking of the striker (action ONE) and releases it (action TWO). "striker-fired-DAO"... sure. but DAO never-the-less.
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Old April 1st, 2011, 09:11 AM   #12
 
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Quote:
Originally Posted by Stirfry View Post
.....

in much the same way that the HK P7 is clearly a SA auto, even though it is not a "traditional" SA. the uniqueness of it's cocking mechanism is totally irrelevant, as it relates to what the TRIGGER does. and the trigger does not cock it, so it's automatically an SA.

if you aren't going to call the SR9's trigger DAO, then call it what it is... a Glock trigger.
I don't mean to be contrary or start arguments. I ask the question because it seems to me that with the hammer down (not in its pre-cocked status) the trigger does not cock the hammer.
and to quote you StirFry, "and the trigger does not cock it, so it's automatically an SA."

thats the confusion on my part.
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