Trigger replacement inquiry - MP-Pistol Forum

Trigger replacement inquiry

This is a discussion on Trigger replacement inquiry within the MP Pistol Accessories forums, part of the Smith & Wesson MP Forum category; Hi guys, I am still relatively new to shooting pistols and my M&P9 is my first one. After putting about 500 rounds through it, like ...


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Old January 5th, 2016, 08:18 AM   #1
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Trigger replacement inquiry

Hi guys, I am still relatively new to shooting pistols and my M&P9 is my first one. After putting about 500 rounds through it, like many of you guys I am unsatisfied with the trigger. I like the pull weight of the trigger and its design, but the feel of the pull isn't as smooth as I would like, it kind of feels like plastic on plastic grittyness. I know a lot of people here replaced their triggers with the Apex ffs kit but I'm not really interested in changing the weight of the pull as I like it. When looking at the specs online of this pistol it was listed the pull weight is 10lbs but I'm seeing a lot of people noting their original trigger pull is 6-7lbs so I'm not sure what the actual pull weight is (I'm figuring it will slightly always vary and maybe thats when the trigger is nice and worn in it gets a lighter pull?). So I was looking at just the Apex aluminum action enhancement trigger rather than the whole kit. Would this be my best option for keeping the trigger as close to original feel as possible but just a little smoother? Or if someone could recommend another option for me to look into? I'm still going to put more rounds through it to see if maybe it will break in a little more before I do anything.
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Old January 5th, 2016, 02:12 PM   #2
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On my pistols I have used the Apex fully machined sear and the ultimate striker block, those two changes lightened my trigger pull somewhat, but the main thing is the quality of the trigger pull is tremendously better.

On my first M&P, I never felt the pistol was shooting as good as it could, after adding those two parts my group sizes decreased by about half, the groups were much smaller, they definitely make a difference.

https://store.apextactical.com/WebDi...?categoryId=20
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Old January 5th, 2016, 06:20 PM   #3
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The Apex striker block (and spring) would smooth out the "grittiness" you feel without lightening up the pull too much. It isn't "plastic on plastic;" but the trigger bar interacting with the stock striker block that you're feeling.

As G56 notes; if I were doing the work, I'd replace the sear/sear spring, too.

Any references you've seen to a 10 pound trigger pull are referring to something like a state mandated heavy pull requirement (like Massachusetts). Those of us living in one of the free states don't have to deal with such stupid crap.

Your trigger pull most likely falls within the 6-6 1/2 pound range.

Last edited by Rick M; January 5th, 2016 at 06:25 PM.
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Old January 7th, 2016, 08:19 AM   #4
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How come you have a 10lb trigger...Florida doesn't have a heavy trigger requirement does it? Did you by chance get a MA compliant one? If that's the case I hear an APEX kit can help.

Both my full size and compact pistols each have a 6lb trigger pull average.
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Old January 7th, 2016, 04:08 PM   #5
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I sent my M&P 9mm to Dan Burwell. He fixed it so all I
have to do is wish the gun would go off, and it does.

Zeke
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Old January 8th, 2016, 07:30 PM   #6
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I purchased the gun online through buds and the 10lbs trigger pull was what was listed on the info chart. I haven't tested the pull weight though but maybe since as you mentioned being in Florida they sent me one without a trigger pull that heavy. I've only shot my friends sig p226 other than my M&P so I don't have much comparison as to the pull. If my pull is already around 6lbs I wouldn't mind doing the full ffs kit with the heavier spring in it. But since I like the current pull I didn't want to go from 10lbs to nearly half the pull. So I guess ill have to get it tested to find out before I go buy a trigger. It definitely needs to be smoother though so no matter what ill be doing one of the apex upgrades. Would I be able to get my trigger pull tested at my local range?

Quote:
Originally Posted by Rick M View Post
The Apex striker block (and spring) would smooth out the "grittiness" you feel without lightening up the pull too much. It isn't "plastic on plastic;" but the trigger bar interacting with the stock striker block that you're feeling.

As G56 notes; if I were doing the work, I'd replace the sear/sear spring, too.

Any references you've seen to a 10 pound trigger pull are referring to something like a state mandated heavy pull requirement (like Massachusetts). Those of us living in one of the free states don't have to deal with such stupid crap.

Your trigger pull most likely falls within the 6-6 1/2 pound range.
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Old January 9th, 2016, 05:17 PM   #7
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Quote:
Originally Posted by AtomicTom View Post
I purchased the gun online through buds and the 10lbs trigger pull was what was listed on the info chart. I haven't tested the pull weight though but maybe since as you mentioned being in Florida they sent me one without a trigger pull that heavy. I've only shot my friends sig p226 other than my M&P so I don't have much comparison as to the pull. If my pull is already around 6lbs I wouldn't mind doing the full ffs kit with the heavier spring in it. But since I like the current pull I didn't want to go from 10lbs to nearly half the pull. So I guess ill have to get it tested to find out before I go buy a trigger. It definitely needs to be smoother though so no matter what ill be doing one of the apex upgrades. Would I be able to get my trigger pull tested at my local range?
If any of your LGS have a smith; he'll probably have one.

I have a Lyman digital one; if you're anywhere close to Weeki Wachee.

Last edited by Rick M; January 9th, 2016 at 05:19 PM.
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Old January 10th, 2016, 02:04 PM   #8
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I was unfamiliar with Weeki Wachee so I had to look it up but it's hours away. I plan on going back to the range tomorrow and I'm pretty sure they have a smith so i'll ask if they can check it out for me. They are a pretty cool group of guys/gals there so I'm sure they'd be willing to help if they have it. I appreciate the input guys. Once I figure out where the pull weight is currently averaging ill be able to make a decision between just the trigger or the ffs kit.
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Old January 14th, 2016, 02:36 PM   #9
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If you like the weight of the trigger pull, it is probably not 10 Lbs. I would purchase an Apex Kit with either the flat or curved aluminum trigger. You'll definitely want to install the Apex USB, trigger, and sear. Those parts will smooth out the grittiness, reduce the sloppy over-travel, and give you a crisp reset. You can try different combinations of stock and Apex springs to get the pull weight you want. Polishing the trigger bar where it contacts the sear housing will also help smooth things out.
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Old January 14th, 2016, 07:37 PM   #10
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Quote:
Originally Posted by jdubpro View Post
If you like the weight of the trigger pull, it is probably not 10 Lbs. I would purchase an Apex Kit with either the flat or curved aluminum trigger. You'll definitely want to install the Apex USB, trigger, and sear. Those parts will smooth out the grittiness, reduce the sloppy over-travel, and give you a crisp reset. You can try different combinations of stock and Apex springs to get the pull weight you want. Polishing the trigger bar where it contacts the sear housing will also help smooth things out.
I've installed Apex parts in three of my five M&P's; but have kept the stock trigger itself in all of them.

Here's how it's worked out:

Average trigger pull in my M&P9 with CAEK; 2 pounds, 7 1/2 ounces.

Average trigger pull in my M&P9c with Hard sear, ultimate striker block, and stock springs; 3 pounds, 10 1/2 ounces.

Average trigger pull in my other M&P9 with Hard sear, ultimate striker block, and stock springs; 3 pounds, 12 ounces.

All have a shorter, more tactile reset, as well.

Last edited by Rick M; January 14th, 2016 at 07:44 PM.
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Old January 15th, 2016, 02:16 AM   #11
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At the risk of asking what should be obvious, have you thoroughly cleaned this gun?

The striker block, that little silver button inside of one of the grooves on the slide, can have a lot of crud in its channel from the factory. Push it a bit to see how it feels.

Before you spend any money modifying your first pistol, you might be well advised to find a competent smith who will clean and properly lubricate the gun.

I strongly caution you against changing the gun after 500 rounds down the tube. It's just starting to loosen up. It will get smoother, especially if it's clean.
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Old March 29th, 2016, 08:59 AM   #12
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Quote:
Originally Posted by jwh321 View Post
At the risk of asking what should be obvious, have you thoroughly cleaned this gun?

The striker block, that little silver button inside of one of the grooves on the slide, can have a lot of crud in its channel from the factory. Push it a bit to see how it feels.

Before you spend any money modifying your first pistol, you might be well advised to find a competent smith who will clean and properly lubricate the gun.

I strongly caution you against changing the gun after 500 rounds down the tube. It's just starting to loosen up. It will get smoother, especially if it's clean.
Yes I clean the gun thoroughly after each range trip. I plan to have at least 2k rounds through it before doing any modifications to give it a good time to break in and see if I adjust to it or not.
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