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Why is the SR45 a DA only?

This is a discussion on Why is the SR45 a DA only? within the Ruger Pistols forums, part of the Pistol & Revolver Forum category; New to shooting, have a SR22, .357 revolver and just got my SR45. While I knew the SR45 was a DA only striker fire... Why ...


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Old April 4th, 2013, 07:49 PM   #1
 
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Why is the SR45 a DA only?

New to shooting, have a SR22, .357 revolver and just got my SR45.

While I knew the SR45 was a DA only striker fire... Why did / does Ruger choose to make them? Do some folks prefer?

Just curious



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Old April 4th, 2013, 08:19 PM   #2
 
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All SR9, 40 and 45 pistols are striker fired, there is no DA to them, they do not have a second strike capability. Once the trigger is pulled the slide has to be pulled back about half an inch to reset the striker.
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Old April 4th, 2013, 08:34 PM   #3
 
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Ok- got it. Thank you. So is it considered a single action only?
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Old April 4th, 2013, 09:25 PM   #4
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Quote:
Originally Posted by Jlandis003 View Post
Ok- got it. Thank you. So is it considered a single action only?

As a striker fired gun, there is no hammer to cock. Without a hammer to cock, there is no single action. Striker fired guns fire like DAO because of this, but that doesn't mean it's really double action.
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Old April 5th, 2013, 01:26 AM   #5
 
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trigger is the same on ever shot. as an old geezer I like the idea I don't have to remember the first trigger press is long and heavy. I shoot these weapons better than most, wish ruger would make one similar in size to the xds. I prefer the size of that weapon for concealment but like the sr series best of all my pistols. just ordered SR45 mags, finally came up on the ruger website.
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Old April 5th, 2013, 02:50 AM   #6
 
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This will help you better understand what dao, sa/da, sa, etc are.

SA, DA, DAO, DAK, SAO, Safe-Action, Ultra-Safe, LEM, SRT, mag safeties – huh?

hth
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Old April 5th, 2013, 03:56 AM   #7
 
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I don't think I have said hello to you yet J welcome.
In a nutshell, in a single action firearm the trigger releases the hammer wich has been fully cocked. A double action the trigger cocks the hammer then releases it. In a striker the firing pin is partially cocked when the slide moves to the rear, then when you pull the trigger it moves the striker all the way back then releases it. This gives you a consistant trigger pull every shot.
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Old April 5th, 2013, 07:16 AM   #8
 
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Striker fired pistols are extremely popular. My guess is that Ruger makes them based on what they feel is most popular in the market today. Many people prefer the design over the hammer fired guns.
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Old April 5th, 2013, 02:47 PM   #9
 
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Originally Posted by CJS1945 View Post
All SR9, 40 and 45 pistols are striker fired, there is no DA to them, they do not have a second strike capability. Once the trigger is pulled the slide has to be pulled back about half an inch to reset the striker.
Well said...
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Old April 5th, 2013, 04:16 PM   #10
 
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They are considered double action by the batfe definition.
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Old April 5th, 2013, 05:07 PM   #11
 
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Re: Why is the SR45 a DA only?

They call it a double action, because as you squeeze the trigger, you are performing two actions, first you are drawing the striker all the way back to the firing position, then you are releasing the striker at the end of the squeeze.
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Old April 5th, 2013, 05:16 PM   #12
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Originally Posted by Jlandis003 View Post
Ok- got it. Thank you. So is it considered a single action only?
Actually, it's neither, but Batfe may consider it a DAO as I believe they do with the Glock. The SR9/40/45 series are similar to Glock's Safe-Action/Walther's Quik-Action in that the striker is partially cocked as the slide moves forward into battery. You have to complete the striker's rearward movement by pulling the trigger back a certain distance before the striker is released and sent forward to fire the cartridge.
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Old April 5th, 2013, 09:04 PM   #13
 
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Ok, makes sense, thx
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Old April 5th, 2013, 09:08 PM   #14
 
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All the replies very helpful, thx

I thought I knew about SA/DA but the striker fire had confused me a bit

I am a huge fan of the same trigger pull each time and the SR45's straight shootin'!
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