Can someone De-mystify the Apex trigger options? - MP-Pistol Forum

Can someone De-mystify the Apex trigger options?

This is a discussion on Can someone De-mystify the Apex trigger options? within the MP Full Size Pistols forums, part of the Smith & Wesson MP Forum category; I have a full size M&P45 with thumb safety if that matters. The only thing I dont like about my M&P is the trigger. Ergonomics, ...

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Old October 13th, 2016, 01:39 PM   #1
Join Date: Aug 2011
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Can someone De-mystify the Apex trigger options?

I have a full size M&P45 with thumb safety if that matters.

The only thing I dont like about my M&P is the trigger. Ergonomics, reliability and accuracy are excellent.

I have heard good things about the Apex trigger upgrades but I am not sure what the options are.

I see on the Apex website they offer the Flat Faced Forward Set Trigger kit for about $170. Are there options for pull weight? I need this to remain a carry gun (though I do some competitive shooting with it). I dont want a 2.5 pound trigger pull but I need something a lot better than stock.

I also see they offer just the trigger. What happens when this is installed? I assume without the rest of the kit the creep and reset issues remain. What would just the trigger do to the pull weight? I assume nothing.


PS- I also saw this note- How do I know which spring I have?
*This kit REQUIRES the use of the larger 1/8 inch sear spring and plunger set up. If your M&P has a 1/16th inch diameter sear plunger and spring, we strongly advise you upgrade to a new style sear housing block before installing this product. All function and reliability testing was done with a 1/8 inch sear plunger and spring, therefore we cannot guarantee proper function without the appropriate size sear plunger and spring. Modern sear housing blocks can be found on and other online firearms product retailers.
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Old October 13th, 2016, 03:26 PM   #2
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For your purposes, just get the DCAEK kit for your .45. It uses your original trigger. It doesn't really"change" anything. It just really smooths up your trigger.
The install is simple ( they even have a video to follow along if need be) & you'll really appreciate what is does to your stock trigger system.
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Old October 13th, 2016, 05:03 PM   #3
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In all my carry M&P's; I install the Apex hard sear and striker block, plus the springs that come with each.

That gives me a smoother takeup, more tactile reset, and a lighter trigger pull, usually between 3 3/4 - 4 1/2 pounds.

I keep the stock trigger, trigger return and striker springs.
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Old October 13th, 2016, 08:08 PM   #4
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Good question. I've wondered that myself. Their on site explanations really are the pits.

What will you be using your handgun for?

I have a 5" 9mm CORE that I use for competition and (ultimately) I installed the innards from the forward set trigger kit, keeping the factory trigger to conform with the division I shoot in. But I wouldn't want to carry it EDC. For that I use the DCAEK.

If you have large hands the forward trigger might work. For me it didn't because it moved the trigger too far forward. OK, and it also would have put me into open division instead of of Carry Optics and I didn't want to go there. There might be an easier and less expensive way to get to where I am, but I don't know it.
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Old October 17th, 2016, 09:43 AM   #5
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Apex is very customer service friendly. If you give them a call and explain what you would like, I'm sure they came make recommendations that will fix you up.

I have the FSS Trigger Kit on my Pro Series .40. It makes the trigger very 1911ish, with a pull in the 4 lb. range. Hope this helps!
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Old October 19th, 2016, 08:31 AM   #6
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I have had a few different M&P and never liked the trigger. Well, last year at the NRA convention, apex had a heck of a deal on the flat faced trigger, so I bought one, figuring would try another. Well, I ended up with a M&P45C, and shot it well over 300 rounds and the same trigger issue. I then dropped in the Apex trigger, went back to the range, and it was like a whole different pistol. This is the first trigger I tried that mimic's the trigger of a 1911 pistol. It is smooth, breaks clean and crisp, and reset is far more than anyone can ask for.
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Old October 20th, 2016, 10:28 PM   #7
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Yes, the factory trigger on the 45 sucks. A flat faced forward set sear trigger kit is an excellent upgrade. I put one into my 45 and my 9mm CORE and haven't regretted either. The kit comes with two different springs. If memory serves the lighter one on the 45 works out to be 4+ lbs and the heavier is 5+ lbs. You will not end up with a 2.5 lb trigger.

Did you read through the info listed on Apex site? Apex does a pretty good job of detailing what each kit does and what's included. You basically have two main options...

Option 1: An Action Enhancement Kit for about $95. As the name implies it improves the action. You can run it as a stand alone or you can replace the factory folding trigger as well for an extra cost. ($40-$75 depending on which trigger you choose).

Option 2: A Forward Set Sear Kit: In this kit you get improved action, a forward set sear, and a new trigger. Apex lists very specifically what each kit does so I'm not going to repeat it here.

You asked what happens if you just replace the trigger...not much as you said. You'll get a new, non folding, trigger but the pull is still going to suck immensely because you haven't replaced any of the components/springs that affect the pull. I also don't know if you can run the flat faced trigger by itself without the forward set sear. You'll have to research that.

I'd encourage you to spend a little more time on Apex's site and watch some of the'll have to watch those anyway if you're going to swap a trigger. Also, Apex is awesome on the phone. So if you have any questions, don't hesitate to call and talk to them.

Almost forgot...the 1/16th sear is what came in the gun when it first came out. If your gun is relatively new, you shouldn't have to worry about it. I think I recall they tell you how to identify this somewhere on the Apex site. If not, you can always call Apex...or google first. It's probably pretty easy to find.

Last edited by L84Cabo; October 20th, 2016 at 10:34 PM.
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