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Smith & Wesson M&P Pistols All Variants of the Smith & Wesson M&P Auto Series


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Old 04-23-2011, 07:01 PM
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Default M&P needs an improved trigger pull

I just purchased my first S&W in over 15 years. It's the M&P .40 Cal. model with a 4" barrel, and it looks very well designed. I paid a fair price for it, and it fits my hand perfectly. However, the trigger pull has a slight hitch just before firing.

I've been gunsmithing for over 30 years, but I've never even seen the inside of this model. Is there a known fix for this?
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Old 04-23-2011, 08:31 PM
M&P63 M&P63 is offline
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Go to Apex Tactical for DCAEK (action enhancement kit), reduces trigger pull, you loose that gritty feel and reset improves, easy to install and the instructions are on youtube! Put one in my .40, bought a 9mm range and carry kit today and I'll be getting the kit for this one too! Brownells and Midway sell them too. Shoot Straight !
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Old 04-23-2011, 09:01 PM
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I heard that S&W makes a competition version of the M&P that has a slick trigger. Has anyone tried it?

M&P63 .........

How is that action enhancement kit for "bet your life" reliability?
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Old 04-23-2011, 09:02 PM
Lee79 Lee79 is offline
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i love my apex competition kit. my friend fired mine and ordered one for his the next day. night and day difference
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Old 04-23-2011, 10:00 PM
M&P63 M&P63 is offline
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Innovative, FYI I only have 200 rnds thru my my .40 with dcaek, and no issues, just have'nt had time to get back to the range! Apex makes good stuff, no reliability issues as far as I'm concerned.
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Old 04-23-2011, 10:34 PM
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Default Getting anxious to try it out ....

Thanks for the quick replies!

I'm pretty sure that I'll eventually get the dcaek. However, it'll take a few days to get the parts. Meanwhile, has anyone tried doing a trigger job using the original parts? I might as well give it a try . . . . nothing to lose.

Does anyone have experience working on this model? If so, what is the recommended procedure?
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Old 04-23-2011, 10:47 PM
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The "Burwell Trigger Job" is pretty much the standard for a "do it yourself" sear modification.

S&W M&P Trigger Job

I went with the Apex hard sear and universal striker block -- together they make for a very smooth trigger. The Burwell mod to the sear accomplishes approximately the same thing as the Apex hard sear, e.g., changes the geometry of the sear as it is moved by the trigger bar to give a smoother, cleaner release.

PS, your earlier question about the M&P Pro models -- there are many posts in this and other forums about the smooth trigger of the M&P Pro models. I haven't tried one so cannot comment, but have to admit I am tempted to get one someday. Definitely worth trying one at the range to see how it compares to the Apex DCAEK and the Burwell trigger job.

Last edited by S&W Rover; 04-23-2011 at 10:50 PM.
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Old 04-23-2011, 11:36 PM
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Quote:
Originally Posted by Innovative View Post
I heard that S&W makes a competition version of the M&P that has a slick trigger. Has anyone tried it?
I believe you are referring to the M&P Pro Series. I have the M&P .40 Pro and the trigger is quite different from the regular M&P. On the Pro, the trigger is lighter and smoother. I believe it actually travels a bit further though. Has anyone else notice this?

The regular M&P trigger has a moderate pull (5 lbs) until just prior to the break point and then you feel a bit of a catch. The trigger finger has to work a little harder to get the shot to actually break at that point.

The Pro trigger has a very light pull until about a 1/2 of the way and then the pull increased slightly (3 lbs) until just at shot break, where you can tell it is going to go. The last pull at that point is still quite light in comparison to the regular M&P. Since I have only shot about 100 rounds with this gun, I don't know how more it will smooth out. I like the lighter trigger because I get a bit of an achy wrist shooting many rounds with a heavy trigger. (Not because I'm getting old! LOL)

I definitely prefer the Pro trigger over the regular M&P. If it smooths out more with usage, so much the better.

Last edited by Murraybob; 04-23-2011 at 11:38 PM.
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Old 04-23-2011, 11:36 PM
rrockefe rrockefe is offline
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I have a Burwell trigger job that Dan did for me. Really like it. Wouldn't change a thing now. But, considering the PITA with shipping to him and all, if I got another M&P I would probably try the Apex route.
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Old 04-24-2011, 12:00 AM
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500 + through my MP 40 pro. It's gets better with every trip to the range
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Old 04-24-2011, 01:03 AM
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Quote:
Originally Posted by Innovative View Post
Thanks for the quick replies!

I'm pretty sure that I'll eventually get the dcaek. However, it'll take a few days to get the parts. Meanwhile, has anyone tried doing a trigger job using the original parts? I might as well give it a try . . . . nothing to lose.

Does anyone have experience working on this model? If so, what is the recommended procedure?
I would recommend waiting on the Apex parts instead of altering your existing parts.

I recently sold an M&P with an Apex trigger kit. The buyer was worried about potential legal problems with an aftermarket trigger. And he was also concerned about returning the gun to S&W for warranty reasons with aftermarket parts installed. So I gave him the original parts.

Just a thought.
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Old 04-24-2011, 11:42 AM
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I am familiar with Glock handguns, because they are quite similar to the S&W mechanism. I've done some of the same trigger improvements (like Burwell mentioned) on my Glock with great results.

The Glock turns out real well by polishing and reshaping parts. However, it always turns out best with the optional "Glock made" disconnector. The Glock 27 is still my favorite carry gun, but I'll bet this new 4" S&W M&P is going to be a real shooter.

I purchased it at a local gunshop after noticing what looked (to me) like a great price. In the past, the S&W SMRP has been inflated beyond reality. I'm not sure about realistic S&W prices, but this handgun fits perfectly in my hand.

I don't examine prices like I used to, and I buy very few guns nowdays. I get only the ones that I really like. I paid $525. for this - with Trijicon night sights and 3 magazines. Can't wait to try it out.
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Old 04-24-2011, 01:18 PM
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Quote:
Originally Posted by Innovative View Post
I heard that S&W makes a competition version of the M&P that has a slick trigger. Has anyone tried it?

M&P63 .........

How is that action enhancement kit for "bet your life" reliability?

I just installed the Apex comp trigger in my pro series 9

I brought the trigger pull down to 3 lbs 4 oz. I was hoping for just under 3 but it is still nice.

However even after I installed it I still had a "hitch" and not a smooth pull. Took me a while but what I found was. (I don't know what to call this part)
The lever directly under the ejector apparently moves when you pull the trigger and there was a burr on the sear housing itself that the lever was catching on. I disassembled the lever from the housing and filed the burr off with a fine file and polished the side of the lever that rubs against the housing and the eliminated what almost felt like a 2 stage trigger.

I still have a little creep but it is smooth
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Old 04-24-2011, 01:31 PM
MajorGeneralMontyM MajorGeneralMontyM is offline
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I carry my M&P .40 but bought it with the action already tweeked. Smooth as silk, but it is a common complaint. I also have fluted barrel for even less recoil.
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Old 04-29-2011, 09:03 PM
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Default Lower recoil with fluted barrel

Quote:
Originally Posted by MajorGeneralMontyM View Post
I carry my M&P .40 but bought it with the action already tweeked. Smooth as silk, but it is a common complaint. I also have fluted barrel for even less recoil.
I can see why a ported barrel might have a lower recoil but I don't see how fluting a barrel would have that effect.
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