Sear Spring Question ?

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Sear Spring Question ?

Post by Skid on 3/14/2015, 5:33 pm

First topic message reminder :

Ok I was weighing my hardball gun trigger and it won't lift the 4lb weight . My friend says all you have to do is bend one of your sear spring fingers and your good to go is this right ? and if so which sear spring finger do I bend. Now I don't know yet if I have a 3 finger spring or a 4 finger spring but in any case which one would I bend if this is the correct method to fix this or what is the correct method to fix this ?
                                                                                              Thanks in advance for all your guys help.

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Re: Sear Spring Question ?

Post by DavidR on 3/18/2015, 1:17 pm

That is very cool Jerry, do you sell those, I would love to have that setup! Thanks KC look forward to the pics. Sorry to be so much trouble but I think many of the members here like knowing how the parts in our guns interact and things they can do safely and things that should be left to a qualified gunsmith.
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Re: Sear Spring Question ?

Post by DavidR on 3/20/2015, 9:38 am

still hoping for pics
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Re: Sear Spring Question ?

Post by Jerry Keefer on 3/20/2015, 12:59 pm

DavidR wrote:still hoping for pics
David;
No, I don't offer them for sale.. Just showing what is possible to improve the function.. I just do them as needed..
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Re: Sear Spring Question ?

Post by DavidR on 3/20/2015, 1:10 pm

Well its a very neat thing, thanks for sharing
.
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Re: Sear Spring Question ?

Post by dronning on 3/20/2015, 1:13 pm

Jerry how much relief do you cut for the springs?

- Dave
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Re: Sear Spring Question ?

Post by rfmiller on 3/20/2015, 1:45 pm

Jerry, looks like you learned something from a S&W revolver mainspring!  Good for you, great idea

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Re: Sear Spring Question ?

Post by james r chapman on 3/20/2015, 2:22 pm

Jerry Keefer wrote:
DavidR wrote:still hoping for pics
David;
. I just do them as needed..

I think David needs one, lol
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Re: Sear Spring Question ?

Post by DavidR on 3/20/2015, 3:10 pm

I like all the cool things our members ingenuity comes up with!
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Re: Sear Spring Question ?

Post by DavidR on 3/20/2015, 3:14 pm

back on topic, do any of the smiths feel that setting the center spring at the 50-60% of trigger weight  like several posted puts to much pressure on the disconnector  tip and the slide? I know I have felt a few that you can really feel the drag it puts on the slide when you cycle the gun.
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Re: Sear Spring Question ?

Post by Jerry Keefer on 3/20/2015, 3:16 pm

dronning wrote:Jerry how much relief do you cut for the springs?

- Dave
It's limited to breaking thru into the spring bore. But you get enough room to make a difference.
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Re: Sear Spring Question ?

Post by Jerry Keefer on 3/20/2015, 3:18 pm

DavidR wrote:back on topic, do any of the smiths feel that setting the center spring at the 50-60% of trigger weight  like several posted puts to much pressure on the disconnector  tip and the slide? I know I have felt a few that you can really feel the drag it puts on the slide when you cycle the gun.
The Marvel disconnector cut makes it a non issue..
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Re: Sear Spring Question ?

Post by DavidR on 3/20/2015, 3:47 pm

yes the cut is nice  but most guns dont have that what about for those?
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Re: Sear Spring Question ?

Post by Jerry Keefer on 3/20/2015, 4:35 pm

To be specific, I still do a fair amount of machine work to the disconnector.
Part of it adjusts the travel, and contact area. If I feel the spring force is excessive, I adjust the angle of the contact between the two..I would like the spring to push straight up on the disconnector, rather than forward.
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Re: Sear Spring Question ?

Post by DavidR on 3/20/2015, 4:45 pm

The more I read from knowledgeable smiths the more I realize  that even though a lot of 1911 parts are advertised and sold as drop in parts, very few really are or lets say should be.
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Re: Sear Spring Question ?

Post by Jerry Keefer on 3/20/2015, 7:08 pm

DavidR wrote:The more I read from knowledgeable smiths the more I realize  that even though a lot of 1911 parts are advertised and sold as drop in parts, very few really are or lets say should be.
Every single part has a specific function to perform.. That performance can always be enhanced.
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Re: Sear Spring Question ?

Post by kc.crawford.7 on 3/21/2015, 8:41 am



Sorry this has taken a couple of days to get done.  Here are two sear springs from different wad guns with triggers set at 3.5 pounds.
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Re: Sear Spring Question ?

Post by DavidR on 3/21/2015, 10:06 am

thanks KC yes those show center spring to be above the sear spring as ive seen in other pics, mine for some reason to add 1.5lb pull to the center spring has it much lower than the sear side spring. Is there a preferred brand of spring to use, I may need to try a new one or recheck my measuring
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Re: Sear Spring Question ?

Post by kc.crawford.7 on 3/21/2015, 10:18 am

David, my choice hands down is factory Colt.
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Re: Sear Spring Question ?

Post by Jack H on 9/21/2016, 7:03 am

Is there a best choice of sear spring brand?  Like one of these?

https://www.midwayusa.com/s?targetLocation=%2F_%2FN-8806%2B4294949711%3FNp%3D2%26Nr%3DAND%2528p_visible%253A1%252Ccustomertypeid%253A1%2529%26Nrpp%3D24%26Ns%3Dp_metric_sales_velocity%257C1%26Ntpc%3D1%26Ntpr%3D1
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Re: Sear Spring Question ?

Post by kc.crawford.7 on 9/21/2016, 8:09 am

Jack, I use Colt.  The ones in that link from C&S, Colt, Nowlin & Wilson all probably come from the same manufacturer.
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Re: Sear Spring Question ?

Post by rich.tullo on 9/23/2016, 7:25 pm

KC Can make one of those MSH? and would they Improve the function of 22lr conversion trigger?
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Re: Sear Spring Question ?

Post by Jon Eulette on 9/23/2016, 7:40 pm

It just adjust the spring tension it does nothing for reliability.
Jon
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Re: Sear Spring Question ?

Post by dronning on 9/23/2016, 7:58 pm

The one thing you could do to a MSH is polish the bore where the spring rides, I doubt it would make much difference except for piece of mind - I have a hone for mine Smile.

- Dave
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Re: Sear Spring Question ?

Post by DavidR on 9/26/2016, 12:27 pm

Also if you put a little silver anti seize on the internals they will move like butter.
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Re: Sear Spring Question ?

Post by Magload on 6/7/2017, 9:00 pm

I know this is a old post but I got directed hear to find out how to bend my spring on my LB wadgun.  It is at 1lb 4oz tested with my new NRA weight set.  I need to increase 8oz to be comfortable.  I have read everything above and am more confused then before I started.  I have a KC trigger assy in the gun.  Do I bend the left or the center just a little?  We had a good BE 1911 gunsmith here but he retired but I guess if I mess up I can just buy a new spring.  Don
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Re: Sear Spring Question ?

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