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Posted: 11/14/2011 4:57:05 AM EDT
| Can anyone explain what the difference is between standard triggers and 2-stage triggers? I keep seeing these options when I look at lowers but so far I can't get a consistent answer. |
| Single stage is like a bolt action's trigger - there isn't any "takeup" and the trigger immediately releases the sear when enough pressure is applied. 2-stage triggers have some "takeup" or move a little before you reach the sear relese point where you then have to apply more pressure. The triggers react the same as a Good 1911 trigger (single) vs a springfield XD's trigger (2-stage). |
| A two stage trigger is like two triggers in one. When you first start to pull the trigger it will travel a short distance and then it will stop (first stage). This is where the second stage starts. The second stage is usually lighter than the first and has a very short travel before the sear/disconnector disengages the hammer and the weapon fires. For example, you have a 2 stage trigger and you start to pull it. The first stage travels 0.050" and is 3 lbs. After the 0.050" travel you feel the trigger stop. The second stage travels 0.010" and only requires 1 lb of pressure to fire the weapon. A single stage trigger would require the same amount of pressure throughout the pull. One of the advantages of a 2 stage trigger is that you can have a very light trigger pull and still be safe. IME it also alows me a final chance to get set before the shot. I like to get on target, pull the first stage, and then fine tune my aim and breathing, then finish the trigger pull (all this in a very short period of time of course). |
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Quoted:
Single stage is like a bolt action's trigger - there isn't any "takeup" and the trigger immediately releases the sear when enough pressure is applied. 2-stage triggers have some "takeup" or move a little before you reach the sear relese point where you then have to apply more pressure. The triggers react the same as a Good 1911 trigger (single) vs a springfield XD's trigger (2-stage). Agreed. The XD as well as the Glock have a noticeable amount of take-up before the trigger breaks, similar to a two stage rifle trigger. A 1911 generally does not, similar to a single-stage trigger. Of course, a quality two-stage rifle trigger like a Geissele has a sear that breaks crisply. My Glock, OTOH, is mushy. |
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