Apex trigger questions/concerns. - MP-Pistol Forum

Apex trigger questions/concerns.

This is a discussion on Apex trigger questions/concerns. within the MP Compact Pistols forums, part of the Smith & Wesson MP Forum category; Hi all, been lurking for awhile, lots of good info here. Anyway I had my gunsmith install the apex trigger (trigger only kit), the aluminum ...


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Old November 18th, 2016, 05:48 PM   #1
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Apex trigger questions/concerns.

Hi all, been lurking for awhile, lots of good info here.

Anyway I had my gunsmith install the apex trigger (trigger only kit), the aluminum one, in my 9c. Took it to the range, 200 rounds of ball ammo, +p's, etc no issues whatsoever. Well cleaning it tonight I noticed the trigger pull felt a little gritty, gunsmith did say that the trigger didn't go far back enough to fire the weapon so he had to do some trimming to get it to go far enough back to fire, trigger safety still catches just fine. With the slide off, or locked back there is no grittyness. Thoughts on what the grittyness may be from? (If memory serves me correct, grittyness seems very similar to when I had the stock trigger in there).


Also i had a couple of dry fires didn't fire correctly. Now that may have been due to me removing the striker and then reinstalling it in the slide incorrectly. Did the reinstall again and it's very hard to mimic now. Almost as if you have to pull the trigger sideways to get it to not catch right, also noticed the slide seems to shift to the left when I pull the trigger, ever so slightly. Thoughts?

Thanks.

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Old November 18th, 2016, 07:39 PM   #2
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There's a part called the striker block if I remember correctly, its a little silver button on the bottom of the slide about 1/4" in diameter. This is often been blamed in grittiness problems. I installed the Ultimate Striker Block from Apex and I have no grittiness at all. You can also round it off and polish it, the USB kit already has that done.

https://store.apextactical.com/WebDi...Details/191853

Last edited by G56; November 18th, 2016 at 07:42 PM.
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Old November 19th, 2016, 07:30 AM   #3
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Thanks.

If that's all it is, then I won't mess with it, it's relegated to bedside duty anyway and operates just fine. The trigger not engaging the striker properly is what has me more concerned at this point.

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Old November 19th, 2016, 09:38 AM   #4
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Quote:
Originally Posted by G56 View Post
There's a part called the striker block if I remember correctly, its a little silver button on the bottom of the slide about 1/4" in diameter. This is often been blamed in grittiness problems. I installed the Ultimate Striker Block from Apex and I have no grittiness at all. You can also round it off and polish it, the USB kit already has that done.

https://store.apextactical.com/WebDi...Details/191853
Yep; that's it.
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Old November 19th, 2016, 10:11 PM   #5
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Originally Posted by cgalpha08 View Post
...gunsmith did say that the trigger didn't go far back enough to fire the weapon so he had to do some trimming to get it to go far enough back to fire...
No trimming is necessary to install an Apex kit. Either there was a misunderstanding between you and the gunsmith or he installed it incorrectly.
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Old November 20th, 2016, 02:12 PM   #6
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Welcome to the Neighborhood!

Lots of shooting and dry fire practice will eventually smooth out the striker block. Or, if you are so inclined there is this; http://www.burwellguns.com/

This is a PDF that shows how to remove, polish, and alter the striker block in order to get rid of the grit.

My question is, did you just get the trigger from Apex or one of the kits?
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Old November 20th, 2016, 02:27 PM   #7
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Welcome to the Neighborhood!

Lots of shooting and dry fire practice will eventually smooth out the striker block. Or, if you are so inclined there is this; http://www.burwellguns.com/

This is a PDF that shows how to remove, polish, and alter the striker block in order to get rid of the grit.

My question is, did you just get the trigger from Apex or one of the kits?
Thanks!

And yes, just the trigger, no spring kit or anything. To my knowledge should have been a direct swap.

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Old November 20th, 2016, 05:28 PM   #8
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This is the one I had installed.

https://store.apextactical.com/WebDi...Details/191842

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Old November 20th, 2016, 08:35 PM   #9
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Originally Posted by cgalpha08 View Post
Hi all, been lurking for awhile, lots of good info here.

Anyway I had my gunsmith install the apex trigger (trigger only kit), the aluminum one, in my 9c. Took it to the range, 200 rounds of ball ammo, +p's, etc no issues whatsoever. Well cleaning it tonight I noticed the trigger pull felt a little gritty, gunsmith did say that the trigger didn't go far back enough to fire the weapon so he had to do some trimming to get it to go far enough back to fire, trigger safety still catches just fine. With the slide off, or locked back there is no grittyness. Thoughts on what the grittyness may be from? (If memory serves me correct, grittyness seems very similar to when I had the stock trigger in there).


Also i had a couple of dry fires didn't fire correctly. Now that may have been due to me removing the striker and then reinstalling it in the slide incorrectly. Did the reinstall again and it's very hard to mimic now. Almost as if you have to pull the trigger sideways to get it to not catch right, also noticed the slide seems to shift to the left when I pull the trigger, ever so slightly. Thoughts?

Thanks.

Sent from my SM-G930V using Tapatalk


sounds to me like your gunsmith did not follow the instructions 100%. I followed the excellent video on youtube and they recommend you carefully examine both the left and right sides where the upper part of the trigger rides. Often the trigger rubs on this. Mine did and by using an emery board (recommended in the video), you take a few strokes at a time until it frees up. I did this and it has been a dream ever since. one of the best triggers ever.
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Old November 21st, 2016, 07:58 AM   #10
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sounds to me like your gunsmith did not follow the instructions 100%. I followed the excellent video on youtube and they recommend you carefully examine both the left and right sides where the upper part of the trigger rides. Often the trigger rubs on this. Mine did and by using an emery board (recommended in the video), you take a few strokes at a time until it frees up. I did this and it has been a dream ever since. one of the best triggers ever.
Hmm ok. Well I do plan on taking it back to the range post thanksgiving. As long as it functions fine I'll be happy. Just wanted to see what ya'll thought about it.

Maybe I'll pick up a punch set and take it apart myself and investigate, however my gunsmithing knowledge next to 0 lol

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Old November 22nd, 2016, 02:19 PM   #11
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Hmm ok. Well I do plan on taking it back to the range post thanksgiving. As long as it functions fine I'll be happy. Just wanted to see what ya'll thought about it.

Maybe I'll pick up a punch set and take it apart myself and investigate, however my gunsmithing knowledge next to 0 lol

Sent from my SM-G930V using Tapatalk
M&P's are easy to work on and the Apex tutorial videos are excellent! The hardest part most of the time is getting that rear sight off.
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Old November 22nd, 2016, 02:32 PM   #12
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Anyone who is mechanically competent can do the Apex trigger installations, if you can assemble a bicycle you can handle it. If you can't assemble a bicycle, best let somebody else do it.

When my bro in law, the one with the Masters Degree in Engineering couldn't assemble my nephew's bicycle for Christmas, I had to take it apart and put it together right, turns out some engineers are better on paper than they are with tools!
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Old November 23rd, 2016, 11:17 AM   #13
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Anyone who is mechanically competent can do the Apex trigger installations, if you can assemble a bicycle you can handle it. If you can't assemble a bicycle, best let somebody else do it.

When my bro in law, the one with the Masters Degree in Engineering couldn't assemble my nephew's bicycle for Christmas, I had to take it apart and put it together right, turns out some engineers are better on paper than they are with tools!
lol I know a couple of these people. Anyway if you fix stuff around the house, tinker on your car ect you can install a trigger all you need are the right tools!
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Old December 5th, 2016, 01:50 PM   #14
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Take it back to the gunsmith, and have him make it right.
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Old December 6th, 2016, 05:39 AM   #15
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Take it back to the gunsmith, and have him make it right.
If they didnt do it right the first time, what makes you think they`ll do it right the second time.
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