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Trigger overtravel - needed or not?

 
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  #1  
Old 02-16-2010, 02:40 AM
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Trigger overtravel - needed or not?

Hi Guys,

I'm a bit confused, need opinions. Some experts say trigger overtravel is undesirable and should be eliminated, others say it's a must to avoid any follow-through trigger influence, while the shot breaks. I do tend to believe the later one, but would be curious what others say.

Thanks: Razor18
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Old 02-16-2010, 08:26 AM
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Re: Trigger overtravel - needed or not?

I prefer no over-travel. I even put an over-travel screw stop on my Turkey shotgun after honing the sear. Sometimes I get a little bored on a rainy day.
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Old 02-16-2010, 09:01 AM
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Re: Trigger overtravel - needed or not?

As I tend to like the over travel limited, I do know you can limit it too much. This can be very dangerous as if the trigger just partly dropps the sear, it will most likely fire as you lift the bolt handle. The problem with this is it may only do this one out of 20 or 50 firings. So I tend to leave a bit more over travel than I use to.

Jeff
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Old 02-16-2010, 12:45 PM
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Re: Trigger overtravel - needed or not?

Probably not a big deal rested on bipods and with a rear bag, but when position shooting with a sling I can see a slight bounce after the trigger breaks due to excessive overtravel on my .22 Mag.

I suspect that the problem is less prevalent in lighter triggers, and increases relative to pull weight.

I think the way to determine if overtravel is a problem for you and your gun would be dry fire practice. If the trigger slams too far back after breaking and causes a bounce in the crosshairs not related to the firing pin dropping, then it needs to be addressed.

A cheap experiment would be to put pieces of leather or something behind the trigger to eliminate excessive overtravel and see if it reduces the bounce in the crosshairs after the trigger breaks. (dry firing, of course)



Hope that helps.

Last edited by cornstalker; 02-16-2010 at 12:58 PM.
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  #5  
Old 02-16-2010, 01:53 PM
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Re: Trigger overtravel - needed or not?

I'm not sure if the bounce occurs if you DO have overtravel, I think the bounce can come rather when you DON'T have any overtraqvel, and the trigger reaches the trigger stop when you break the shot.
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Old 02-16-2010, 02:40 PM
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Re: Trigger overtravel - needed or not?

Quote:
Originally Posted by Razor18 View Post
I'm not sure if the bounce occurs if you DO have overtravel, I think the bounce can come rather when you DON'T have any overtraqvel, and the trigger reaches the trigger stop when you break the shot.
In my case it occurs after the trigger breaks, then the trigger gains unrestricted momentum for 1/4" then slams to a stop.
If the trigger stopped a shorter distance after it broke, it would not be allowed to move far enough to create as much bounce.

Last edited by cornstalker; 02-16-2010 at 03:14 PM.
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  #7  
Old 02-16-2010, 04:48 PM
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Re: Trigger overtravel - needed or not?

Read this article here

http://www.longrangehunting.com/articles/trigger-dwell-time-1.php


Stu.
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