Apex sear and USB kit put in, but.... - MP-Pistol Forum

Apex sear and USB kit put in, but....

This is a discussion on Apex sear and USB kit put in, but.... within the MP Gunsmithing forums, part of the Smith & Wesson MP Forum category; So I received my M&P9C. The factory trigger was gritty with absolutely no real re-set point. I dropped in the two Apex parts and now ...


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Old May 6th, 2011, 06:52 PM   #1
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So I received my M&P9C. The factory trigger was gritty with absolutely no real re-set point.



I dropped in the two Apex parts and now it's smooth, light and short. Perfect, but...



Can I keep everything as is, but raise the poundage of the trigger pull by one or two pounds??



Thanks.
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Old May 6th, 2011, 06:56 PM   #2
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Apex TRS will add about a pound.

Mass S&W TRS will add about 2 pounds.
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Old May 6th, 2011, 06:59 PM   #3
 
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Hello,



You can up the pull weight by using either our Duty/Carry trigger return spring. It will add about a pound to the pull weight.



Another option is to use a MA compliant trigger return spring which is even heavier.



-Randy
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Old May 6th, 2011, 07:34 PM   #4
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Thank you both for the quick reply. And Randy, great product. I'm pushing it on everybody I know who has or is thinking about an M&P.
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Old May 7th, 2011, 05:38 AM   #5
 
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If you only installed the USB kit and the sear, (and are now going to put in the heavier Trigger Return Spring), you are seriously making a huge mistake by not buying and installing the RAM. The Reset Assist Mechanism (or RAM) is probably THE most important and effective piece made for the gun IMO.
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Old May 9th, 2011, 04:01 AM   #6
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A question came to mind.



Regarding the Apex Carry TRS, the video showed it also comes with a tiny micro spring for the plunger under the sear.



What is the purpose of the tiny sear spring and can I just use the TRS without messing with the tiny sear spring?



Thanks again.
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Old May 9th, 2011, 05:41 AM   #7
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Originally Posted by ANGEL KING View Post
What is the purpose of the tiny sear spring and can I just use the TRS without messing with the tiny sear spring?


The purpose is to push the sear back into position to catch the striker when the slide returns to battery. The small Apex sear spring is a little stronger than the original. If your not having dead trigger issues then you don't need to change it. It does not affect the TRS functionality.
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Old May 9th, 2011, 02:09 PM   #8
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Thanks very much for explaining it.
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Old May 18th, 2011, 08:38 PM   #9
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An update,



I have yet to order the Apex 'heavier' return spring. One reason is that it seams to me the poundage has increased slightly since the first day I dropped in the parts.



I'm not sure if any of you have had a similar experience, but I'm pretty sure it's not just my perception.



One rudementary test I did was to balance the gun resting on the trigger (using my index finger). The first day, after a light shake, it would release the striker.



Now, after 300 rounds, it takes somewhat vigorious 'bouncing' on the trigger before it releases.



Could this be due to powder and residue build up in the parts? That's my guess.



Any thoughts on this?



And yes, the gun was unloaded.
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Old May 19th, 2011, 03:32 AM   #10
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Unless you actually measure the pull you'll never really know.
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Old May 26th, 2011, 02:43 AM   #11
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So today I decided to put in the heavier trigger return spring from Apex. It wasn't too hard for the most part.



I feel much more secure about the weight of the pull than before.





Good product. I think it's actually heavier than the stock trigger now, but it's so smooth, you don't notice.
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Old June 22nd, 2011, 09:03 PM   #12
 
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Quote:
Originally Posted by Randy Lee View Post
Hello,



You can up the pull weight by using either our Duty/Carry trigger return spring. It will add about a pound to the pull weight.



Another option is to use a MA compliant trigger return spring which is even heavier.



-Randy


is the the actual Randy Lee that does the Apex Tactical videos?? if so, dude your install videos are FREAKEN AWESOME!!!!! great job bro!

You answered so many of my disassembly and install questions! I will be upgrading soon!!
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Old June 22nd, 2011, 09:35 PM   #13
 
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Originally Posted by ricksn777 View Post
is the the actual Randy Lee that does the Apex Tactical videos?? if so, dude your install videos are FREAKEN AWESOME!!!!! great job bro!

You answered so many of my disassembly and install questions! I will be upgrading soon!!
Unfortunately yes, it is me in the videos. I think people would prefer a stand in from Ford's modeling agency , or at least a hand model...

And if we could afford one, we would!



Thank you though for your words, I am glad that the videos are at least a bit helpful.



-Randy
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Old June 24th, 2011, 12:12 AM   #14
 
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Unfortunately yes, it is me in the videos. I think people would prefer a stand in from Ford's modeling agency , or at least a hand model...

And if we could afford one, we would!



Thank you though for your words, I am glad that the videos are at least a bit helpful.



-Randy


brother your to humble... I'm serious, your videos are huge!! I've wanted to upgrade my MP 45 for awhile, especially the trigger assembly. However I sure didn't want to spend all the money on a gunsmith right now to install it(though I know your vids recommend that). After watching the videos, I have already disassembled and reassembled the trigger assembly, the sear housing etc.. without a problem. so the apex products are on the way! Thanks again!
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Old June 5th, 2016, 03:32 AM   #15
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I put the apex hard sear in my L/E full size MP 40 and also went with their duty trigger return spring and its just about right . I know I can hit way better with this 40 now the fact set up I could have lived with but their heavier trigger spring made it just right .
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