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  #1  
Old 01-11-2021, 08:52 PM
MissSkeeter

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Trigger Work 581S



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My Remington 581S trigger pull is heavy and variable (5lbs 3oz to 6lbs 3oz).

I emailed Brian Voelker about improving this trigger.
Brian replied he doesn't work on them anymore, but he suggested
lighten it up by putting a lighter spring in it or clipping the original.

I got a replacement spring today from Brownells.

Any suggestions besides installing a clipped trigger spring?
Thanks.
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  #2  
Old 01-11-2021, 09:31 PM
Sliceandacoke

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I did my trigger on my 581. Once apart i polished everything and installed a lighter spring and it made a noticeable difference. The trigger pull went from 7lbs to 3 3/4lbs. I got the spring here:http://erniethegunsmith.com/catalog/i20.html
I would order two and cut 1or2 coils off one to get a lighter pull. The other spring I'd keep just incase the cut spring isn't safe or to your liking. lots of luck.
There is a Youtube video on removing and reinstalling a 581 trigger.
the 788 and 581 have the same spring.

Last edited by Sliceandacoke; 01-12-2021 at 11:16 AM.
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  #3  
Old 01-11-2021, 11:26 PM
HUSHKABOOM
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My favorite warning! Make sure you loosen the tiny set screw at the front of the trigger housing before driving out the cross pin that holds the trigger housing to the bottom of the action. Also use a solid backer behind the housing before attempting to drive out pin. The housing as attached to a small lug that is brazed to the action bottom. It is easy to break off the lug if you are not careful.
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Old 01-12-2021, 09:44 AM
tickridger
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Or you will be sorry.

John
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  #5  
Old 01-12-2021, 02:15 PM
pete379
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The method I like is moving the trigger pivot point .30 or .40 closer to the sear. Just scribe a line from the pivot pin to where the sear engages the trigger and drill another hole along that line according to how light you want the trigger. This doesn't change the sear engagement or the pressure on the sear as a lighter spring might do. I have 6 or 8 580 series with the triggers set from 8 to 16 oz. and they are all safe. It takes a diamond point drill bit as the trigger is extremely hard. Talk to a gunsmith.
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Old 01-12-2021, 02:50 PM
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Quote:
Originally Posted by pete379 View Post
The method I like is moving the trigger pivot point .30 or .40 closer to the sear. Just scribe a line from the pivot pin to where the sear engages the trigger and drill another hole along that line according to how light you want the trigger. This doesn't change the sear engagement or the pressure on the sear as a lighter spring might do. I have 6 or 8 580 series with the triggers set from 8 to 16 oz. and they are all safe. It takes a diamond point drill bit as the trigger is extremely hard. Talk to a gunsmith.
Thats what I did with my 581. 16 oz. trigger.
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Old 01-12-2021, 03:58 PM
HUSHKABOOM
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If you take the trigger apart clean it good inside and out. Then take all the flat sided moving parts and smooth the sides with some 600-1000 grit wet or dry automotive type sandpaper laying on a real flat surface or a fine sharpening stone that is flat then reassemble with the Earnie the gunsmith 788 spring you will most likely be at a consistent 3.5-4 lb pull. Good enough for most uses. Some good ideas for a lighter pull listed above if you can do the work. Don't mess with sear and trigger notch engagement area.

Last edited by HUSHKABOOM; 01-12-2021 at 04:00 PM.
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Old 01-12-2021, 04:58 PM
MissSkeeter

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THANK YOU! I just received a new trigger spring from Brownells.

Here is the youtube video on the 581 trigger:
https://youtu.be/ofvL4NFoJsk

Last edited by MissSkeeter; 01-12-2021 at 05:02 PM.
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  #9  
Old 01-12-2021, 06:35 PM
pete379
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Hushkaboom, the guy on the video didn't pay any attention to your warning, did he.
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Old 01-13-2021, 01:40 AM
HUSHKABOOM
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He either needs a bigger hammer or a tiny screwdriver to loosen the set screw!! I think he got lucky!
My gunsmith broke the lug off one of my 581's when he put a custom 17HM2 barrel on it and was supposed to add adjustment screws to trigger.
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  #11  
Old 01-13-2021, 10:47 AM
kgb

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They peen that tiny set screw in place, the 582 I have was super-peened with material pushed into the screw slot. My solution for a simple spring swap was to just remove the trigger pivot pin and pull the trigger from the housing to replace the spring from below.

Easy to clean the trigger itself at that point and swab out some of the housing as could be reached, but as warned make sure the housing and receiver are fully supported so the force of punching out the pin is borne entirely by the trigger housing.

As I wrote elsewhere, after installing a lighter spring my 1977 582 with a sear-interrupting safety doesn't allow the safety to be re-engaged when the gun is cocked. I have to lift the bolt to free the sear to clear the safety, and others have informed there are at least five variations in 58x trigger mechanisms. I have seen two, with the 582 and a 1971 581 with a trigger-blocking safety.
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  #12  
Old 01-13-2021, 12:42 PM
john300exc
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An expensive fix is a Timney trigger for the Model 788. There is a Compatibility List on their website that lists the 580 series rifles that it fits. I had to dremel out space on the stock for the safety lever and also dremel on the bolt release stop. My 581 had a nappy stock and I wasn't worried about the appearance. But I now have a great trigger for an accurate rifle.
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  #13  
Old 01-13-2021, 06:29 PM
kgb

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Finally watched that video.

Listen to the sound at the beginning when he moves the safety and it clicks, then listen when he dry fires it at the end. The clicks sound alike to me. When he clicks that safety off after having cleaned it all up and the gun does not fire, that sound is much quieter.

To me that trigger was frozen in the forward position and only the safety held the sear until released.
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  #14  
Old 01-13-2021, 07:11 PM
tomon
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Thumbs up White Grease is probably....

The problem. These rifle triggers are famous for the grease drying out into immoveable gunk! I have taken advantage of Pete379's solution on my 580 and my 581 after cleaning mine out.
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  #15  
Old 01-13-2021, 09:30 PM
randymac

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If you have a drill press it's not to hard to install screws to make it adjustable. i have done this on a couple of mine with good results.


Randy
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