DA/SA
Alright guys. I need the basics. Please clarify the definitions of DA and SA. From what I think I know, DA is when the hammer is already cocked and ready to fire, SA needs manual cocking. Need clarification in both revolvers and semis. Thanks.
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This thread covered it pretty good....
http://forums.gunbroker.com/topic.asp?TOPIC_ID=104135
Love them Pre-64's!!!!-Bob0 -
Are there any modern pistols that are single action? 0 -
Disregard previous question, just found out the terms apply to the first shot. I was thinking about a single action pistol after every shot. 0 -
The terms are a little confusing, because they apply slightly differently to autos than to revolvers. The short version is that the terms refer to the trigger - does the trigger cock the hammer or only release it?
In revolvers, this is easy to see - if you have to manually cock the hammer before you can shoot, it's a single-action. If the trigger cocks it for you, it's a double-action.
In automatics, we get the confusion, but it's not really that difficult to grasp. There are three (not counting Glock-style actions, which are similar enough to DAO to include there): Single-Action (like 1911's), Double-Action/Single-Action, and Double-Action-Only.
In a single-action automatic pistol, the trigger will never cock the hammer. However, the slide will cock it for you when you rack it or when it cycles after firing. This means that you're never doing extra work with your trigger finger, and it's why I love my 1911 so much.
In a double-action/single-action automatic pistol, you have your choice: you can cock the hammer by pulling the trigger or by cycling the action. Guns with a decocker safety are of this variety.
In double-action-only guns, pulling the trigger is the only way to cock the hammer. Glocks don't have hammers, but the striker must be 'cocked' the second half of the way by pulling the trigger on every shot, so they behave like DAO's.0 -
"Back in the day" all semi-autos were, I am led to believe, DAO - double action only.
Colt sells a 1911 reproduction in this configuration. A faithful reproduction of the WWI Model 1911 U.S. Military sidearm. Throughout American History, Colt's weapons have given American Servicemen the confidence to succeed in combat. It is the O1911
I own a Para Ordnance DAO 45ACP. They call it an LDA - Light Double Action, and believe me, it is a sweet smooth pull.
A DAO might be confused with a single action because you perform only one operation to fire (after racking the slide); that is, to pull the trigger.
DAO was used by Law Enforcement for years as an extra safety measure against unintentional discharge, so I've been told.0 -
quote:Originally posted by ZERODIN
The terms are a little confusing, because they apply slightly differently to autos than to revolvers. The short version is that the terms refer to the trigger - does the trigger cock the hammer or only release it?
In revolvers, this is easy to see - if you have to manually cock the hammer before you can shoot, it's a single-action. If the trigger cocks it for you, it's a double-action.
In automatics, we get the confusion, but it's not really that difficult to grasp. There are three (not counting Glock-style actions, which are similar enough to DAO to include there): Single-Action (like 1911's), Double-Action/Single-Action, and Double-Action-Only.
In a single-action automatic pistol, the trigger will never cock the hammer. However, the slide will cock it for you when you rack it or when it cycles after firing. This means that you're never doing extra work with your trigger finger, and it's why I love my 1911 so much.
In a double-action/single-action automatic pistol, you have your choice: you can cock the hammer by pulling the trigger or by cycling the action. Guns with a decocker safety are of this variety.
In double-action-only guns, pulling the trigger is the only way to cock the hammer. Glocks don't have hammers, but the striker must be 'cocked' the second half of the way by pulling the trigger on every shot, so they behave like DAO's.
Good post! It explains it very clearly and accurately, except maybe the Glock, which the striker is "reset" by sliding the slide back slightly, there is no way to draw the hammer on a Glock by pulling the trigger... They do FEEL like DAO's...0
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