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Trigger Function

This is a discussion on Trigger Function within the Modern M14 forums, part of the M14 M1A Forum category; I don't see much about trigger function on the forum. So, I am looking for suggestions that would improve my trigger function. After pulling through ...


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Old May 21st, 2017, 03:49 PM   #1
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Trigger Function

I don't see much about trigger function on the forum. So, I am looking for suggestions that would improve my trigger function.
After pulling through the play on the trigger, it releases abruptly with no creep. However the pull weight is very high. I haven't measured it, but I would guess it exceeds 6 lbs. After squeezing off about 20 rounds, my finger is so sore I have to use other finger positions to fire a round. Is there any knowledge in the forum about replacement trigger groups for the M1A that are superior to the standard military trigger group? How about tuning the existing trigger group?? Is there a gunsmith that is known for M1A trigger improvements?? Thanks in advance for your suggestions.

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Old May 21st, 2017, 04:02 PM   #2
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It should not hurt your finger to shoot 1 mag. Have you ever clean it? Plenty of guys here that will fix it for you. Jon Wolfe and Jeff miller of the top of my head. Bula defense sells new trigger groups that are really nice ( Jeff ).

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Old May 21st, 2017, 04:16 PM   #3
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As mentioned there are those on this site that can do what you want done with your trigger. I replaced my trigger issue springs with Tubbs springs as well as the operating rod spring and made a very large improvement. If not familiar with such work there are videos of such on Tony Ben site believe, might want to check it out. Just a suggestion

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Old May 21st, 2017, 04:23 PM   #4
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Or you can consider a trigger or trigger/hammer combo from ShootingSight.

https://shootingsight.com/product-category/m1m14/

Myself and quite a few members here have bought either and find them to be smooth/crisp triggers that are worth the price and comparable to sending it out to a top quality smith without the wait time.

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Old May 21st, 2017, 05:32 PM   #5
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Quote:
Originally Posted by smoothy8500 View Post
Or you can consider a trigger or trigger/hammer combo from ShootingSight.

https://shootingsight.com/product-category/m1m14/

Myself and quite a few members here have bought either and find them to be smooth/crisp triggers that are worth the price and comparable to sending it out to a top quality smith without the wait time.

I second this notion, I just got mine from Art and it's comical how good this trigger is.

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Old May 21st, 2017, 05:47 PM   #6
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You can measure the actual pull-weight of the trigger by rigging a metal coat hanger - use a socket set (or similar) for the weights.
Then put the coat hanger and weights in a clean plastic bag and take it to the grocery store and use one of their courtesy scales (weigh
the bag & everything to keep their scale clean!).
For good consistent and safe trigger operation the pull weight shouldn't be less than 4.5 pounds.

If the 2nd stage releases the hammer consistently and predictably with no creep after pulling through the 1st stage, that's excellent. An off-chance 'maybe' is that the hammer spring is too strong and is causing a heavy pull - but I think that's not likely.
A traditional 'trigger job' is mostly done to reduce creep, and in doing so it also reduces the pull weight. Since your's already doesn't have creep, I don't know why the pull weight would be heavy.

One of the professional 'smiths' here might have other suggestions.

About the pain on your finger - maybe try positioning the trigger blade on/near the crease of the joint just behind the fingernail. It's unusual to get pain from the trigger.

And be sure to consciously HOLD the trigger fully rearward until recoil has stopped, and then fully release the trigger.

Jay Kosta
Endwell NY USA

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Old May 23rd, 2017, 05:31 PM   #7
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Gosh, thanks, guys. Lots of great ideas there to work with. I will check it all out.

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Old May 23rd, 2017, 05:35 PM   #8
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https://shootingsight.com/product-category/m1m14/

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Old May 23rd, 2017, 05:57 PM   #9
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Trigger function and most parts are the same and interchangeable with the Garand. The M14 and Garand also share the same bolt design, basically, and sights. Internal bolt parts except for the firing pin are interchangeable.
Here's a good reference page.


http://www.billricca.com/m1_m14.htm

There is an excellent animation at the end of this video.


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Last edited by Rich D; May 23rd, 2017 at 06:20 PM.
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