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  #1  
Old 06-19-2012, 01:43 PM
rebs081 rebs081 is offline
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Default Sport trigger ?

There was a thread on here about the Sport trigger, it said you can take off the grip and there is a place in there to put a set screw and adjust the creep or travel of the trigger. Problem is I can't find the thread. Does anyone have it or a link to exactly how you adjust the trigger ?
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Old 06-19-2012, 02:41 PM
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Here's a video showing the procedure on a 15-22. I don't ever recall seeing it with regards to a M&P 15.

How to fix the trigger creep in your M&P 15-22 - YouTube
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Old 06-19-2012, 03:07 PM
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The key (at least on mine) is re-timing the disconnect. You want to be sure you understand what's going on and that the set screw doesn't move. If you choose to do it, I would study the J&P Enterprises trigger installation video on timing of the disconnect first. And yes, it should work on the Sport as it is the same fire control group. You'd probably want to use some locktite on the set screw once you have it adjusted. Do you homework first.

Last edited by Jayhawkhuntclub; 06-19-2012 at 03:09 PM.
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Old 06-19-2012, 04:25 PM
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15-22 and Sport are the same... Just added a JP Yellow spring to my Sport last week.....

Went from about 6.5lb pull to 4lb..... BIG difference for sure...
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Old 06-19-2012, 05:26 PM
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perhaps I may be safer and better off buying a new drop in trigger like a Timney
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Old 06-19-2012, 07:13 PM
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Junk Yard Genius.com AR-15/M-16 Pages, page 1.
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Old 06-20-2012, 06:43 AM
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Storyteller, Thank you thats what I was looking for.

Junk Yard Genius.com AR-15/M-16 Pages, page 1.
Has anyone on here done this ?

Last edited by rebs081; 06-20-2012 at 06:53 AM.
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Old 06-20-2012, 07:14 AM
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Originally Posted by storeyteller View Post
I can't speak to the wisdom of doing this mod BUT find the author's comment on the quality of the Soldiers of that period disgusting considering the number of their names engraved on "THE WALL" . So, in his opinion all they were good for was flipping burgers if they were draftees? Nice!

Maybe this "genius" belongs in that junkyard he claims.
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Old 06-22-2012, 08:41 AM
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Quote:
Originally Posted by rebs081 View Post
perhaps I may be safer and better off buying a new drop in trigger like a Timney
That is the easy option. It depends on your level of confidence and understanding in what you are doing. Another option is the JP Enterprises trigger. It's kind of in between. It's more work than the Timney. But it's half the price and gives you a good education and a very nice trigger.
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Old 06-22-2012, 10:20 AM
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Has anyone tried the rock river triggers ? they have a single and a 2 stage
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Old 06-22-2012, 10:23 AM
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Quote:
Originally Posted by Jayhawkhuntclub View Post
That is the easy option. It depends on your level of confidence and understanding in what you are doing. Another option is the JP Enterprises trigger. It's kind of in between. It's more work than the Timney. But it's half the price and gives you a good education and a very nice trigger.
To that point, even the SSA series from Geisslele which many think to be the best available is an easy install, if not the most inexpensive alternative.

Bill Geissele shows you how to install the SSA trigger | Military Times GearScout
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Old 06-22-2012, 10:36 AM
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To that point, even the SSA series from Geisslele which many think to be the best available is an easy install, if not the most inexpensive alternative.

Bill Geissele shows you how to install the SSA trigger | Military Times GearScout
+1. I love my Geissele SSA trigger. The first stage is minimal, feeling more like overtravel more than anything else. But once the trigger hits the second stage it's a very crisp break.

I got mine from Brownells for $177 which was $40 or $50 less than the Timney AR10 trigger I was also looking at.
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Old 06-22-2012, 11:48 AM
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I still think the quick and cheap and easy is the Spring Change....

Trigger Spring Kit AR-15 3-1/2 lb Reduced Power

Dont get me wrong.. i LOVE my Timney Trigger in my 15-22... just not sure It's needed in the Sport.

My Sport with the JP Spring is Fantastic... and I only did the Hammer Spring... Gunna do Both when it arrives today (another set for my Bushmaster c15 trigger)


Anyways just a thought...
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Old 06-22-2012, 12:01 PM
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Just be aware that light springs can effect reliability and alone, are NOT a substitute for a well engineered and manufactured match or enhanced combat trigger. Fine for a .22 plinker and casual range use and I guess that is how most are used.
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Old 06-22-2012, 12:10 PM
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Just be aware that light springs can effect reliability and alone, are NOT a substitute for a well engineered and manufactured match or enhanced combat trigger. Fine for a .22 plinker and casual range use and I guess that is how most are used.

Point well taken MPDC...... and you are 100% correct..

I myself have no need for match Grade in my Sport.. but did want a lighter pull...... and this fit the bill for me...

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Old 06-22-2012, 12:23 PM
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Point well taken MPDC...... and you are 100% correct..

I myself have no need for match Grade in my Sport.. but did want a lighter pull...... and this fit the bill for me...

My research before I bought my SSA-E led me to the conclusion that the springs will do OK with quality .223 rounds from companies like Black Hills but are prone to light strikes with the type of surplus ammo I use. Mainly XM or M 193 which can require a stronger strike. The SSA triggers are engineered to yield strong primer strikes while reducing pull weights to the 3 lb. plus a little range. Mine has fired well over a thousand rounds of M193 without a single hiccup. Virtually zero grit and consistant, crisp second stage is totally predictable.

I am not trying to say don't use a spring kit, just be aware it is a very economical choice but not necessarily the best one for reliability, especially with .556 surplus ammo like Lake City.

There are lots worse options, like cutting springs down at home and playing with shaving metal off triggers by amateur gunsmiths. Safety can easily be compromised and the trigger companies don't command their prices for no good reason. Engineering is a big part of that price as is liability issues.
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Old 06-22-2012, 12:29 PM
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Quote:
Originally Posted by MPDC View Post
My research before I bought my SSA-E led me to the conclusion that the springs will do OK with quality .223 rounds from companies like Black Hills but are prone to light strikes with the type of surplus ammo I use. Mainly XM or M 193 which can require a stronger strike. The SSA triggers are engineered to yield strong primer strikes while reducing pull weights to the 3 lb. plus a little range. Mine has fired well over a thousand rounds of M193 without a single hiccup. Virtually zero grit and consistant, crisp second stage is totally predictable.

I am not trying to say don't use a spring kit, just be aware it is a very economical choice but not necessarily the best one for reliability, especially with .556 surplus ammo like Lake City.

There are lots worse options, like cutting springs down at home and playing with shaving metal off triggers by amateur gunsmiths. Safety can easily be compromised and the trigger companies don't command their prices for no good reason. Engineering is a big part of that price as is liability issues.
Are those Surplus rounds THAT much different. i mainly have PMC and Federal and Now am re-loading all my Brass.... have never tried any Surplus or Military ammo yet.

I did try a MOD on my 15-22 trigger/hammer..... didnt see any difference... thus the JP trigger Group then the Timney Drop in trigger.... i couldnt get the JP setup correctly so pulled it and went with Timney....

Still debating on trying the JP Trigger system in my Bushmaster since that trigger is so Heavy.....

Always something to play with when i get bored
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Old 06-22-2012, 12:49 PM
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I don't want to link to another site here but the concensus about the light springs seems to be it works pretty reliably with .223 rounds but that the common, Military rounds require a firmer hammer strike for consistant reliability.

http://aolsearcht6.search.aol.com/ao...ity%20of%20ars


I don't think the above is a competing site so I will chance posting this as I think the subject is important, especially to new shooters and first time AR guys looking to mod.

I edited this to give the google options for investigating the various threads regarding this. A couple are sites that might be construed as "competing" but not directly linking.

Last edited by MPDC; 06-22-2012 at 12:54 PM.
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Old 06-22-2012, 01:27 PM
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I'm not crazy about light springs. Going a little lighter is good, if your trigger is really heavy and it's done it conjunction with a more serious trigger job. But, by itself, it won't take out any of the creep and go too light and the reliablity issue crops up. A light spring is a quick fix and cheap. But in the long run, it's better to spend the money and do it right, IMHO.
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Old 06-22-2012, 01:38 PM
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All the replies have been very helpful and appreciated. I am going with a new drop in trigger as I an not comfortable honing or changing just components myself. The biggest thing I want to accomplish is to remove some of the travel or creep in my triggerand secondary maybe reduce the pull weight some.
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Old 06-22-2012, 03:55 PM
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Storyteller, Thank you thats what I was looking for.

Junk Yard Genius.com AR-15/M-16 Pages, page 1.
Has anyone on here done this ?
I have, and it did reduce creep. It was fairly easy to do. BTW I have also done the trigger polish and replaced springs on the same AR and this mod was much easier (the others lightened the pull and reduced grit but did nothing for creep/slop). I didn't even read what the junkyard jerkoff said in his comments! Despite his offensive comments the mod does in fact reduce creep. As you can see by Bharada's post there are others out there doing this as well. Just type in 'reduce AR trigger creep' on google.


All that being said, I am using the NM 2 Stage in my sport and it is awesome. This is without a doubt the most important mod I have made to it to improve accuracy.
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Old 06-23-2012, 07:34 PM
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IS there a differnce between older sport triggers and newer trigger. My sport had a 5lb2oz trigger pull when new. Settled afer some use to right at 5lb. had some creep all right.

Buoght a wolf light trigger kit-2 springs trigger only. Found that the spring for the trigger was lighter from the factory but the spring for the sear was much stiffer and shorter. Made for a much better trigger pull with no pre-travel or creep and almost no over-travel. Polished fairly well but did some more while in there and now is 4lb 7oz. Much better trigger pull not dealing with the creep. It was the 5 bucks or so just for the discontect spring.
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