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two stage trigger

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Posted 22 October 2009 - 06:21 PM

new guy asking some questions, I am starting an AR build, this will be for Predators. Would someone please explane what a two stage trigger is.Thanks DAVEFI have my lower and am starting my list for other parts needed.

#2 Portagee_Shooter



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Posted 23 October 2009 - 07:15 AM

A good explanation I found on the webfrom rec.guns... Most civilian rifle triggers are single stage. When you place your finger on it and apply pressure, the trigger shouldn't move at all, until it "breaks" and the gun fires. If it does move, it's called "take-up", and usually considered a Bad Thing. Actually, what you lable as "take-up" in the above para, is called creep, and trigger "creep" is what is considered a "bad thing." Take-up is all together another phenom. So let's understand the differences between "take-up" and "creep." Take-up is a wonderfully replicated feeling/action, found in 2 stage triggers, in preparation of firing, and creep is when you think you are trying to fire, but you just seem to keep pulling the trigger & it does not break cleanly. Creep is found in both single & double stage triggers. Now, why do those who have experienced a good 2 stage trigger want a 2 stage trigger? First, gas guns require a far greater pull weight than bolt guns, to be safe/legal for competition. So, when you must have a 4.5 lbs trigger, it's nice to split the weight between 2 stages, instead of one! Second, many want a relatively heavy trigger for defense/law enforcement applications. Third, there is a certain confidence in a 2 stage trigger. You pull through the first stage, and when you get to the "stop", you know you are on the ragged edge, and any movement of the trigger will fire the rifle. This is so in a match 2 stage trigger. --Clint McKee

#3 BigMatt



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Posted 23 October 2009 - 08:25 AM

That broke it down pretty well. Take up is the key. If you have ever fired a Sig pistol in "single action" (just meaning that the hammer is back) it has a noticable take up, then followed by more pressure just before the hammer drops-Double stage or two stage trigger. It can take some getting used to, but once you do its not a big deal.

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