M&P 40 vs M&P 40c

[southchatham]

I have read that some opt to leave original sear spring in the MA complient pistols... Should I install all the parts that come with the kit?

I have a MA M&P9c with 10lb trigger. All I changed is the sear and trigger return spring. I used the apex sear and a standard trigger return spring bought from brownels. The MA trigger return spring is heavier. I did not change the sear spring. Leaving the heavier MA sear spring in actually helps give it a better reset. My result is a 5lb trigger from 10lbs. This cost about $43 vs $80 for the whole kit.

Changing the sear is easy. The trigger spring is a challenge lining up all the parts. Apex has videos on youtube on how to do it.

Check your trigger weight first though, just incase it's not a MA trigger.

 

[loubif]

I am in MASS and yes the triggers suck.

Do you have 10 round mags ??? If so it's a most likely a MASS gun, we are stuck with 10 round mags as well as the sucky triggers.

I have had Greg Derr do trigger work for me as well as a few other things to both my M&P's (a 40 FS and a 40c).

Greg Derr - Precision Pistolsmith

You can have a Gun Smith check both of your guns and have them do a trigger job or you can install the APEK kit or kits or you can get a S&W trigger sear and install that.

Smith & Wesson Sear Housing Block without Integral Lock and Magazine Safety S&W M&P, M&P Compact 9mm Luger, 357 Sig, 40 S&W - MidwayUSA

Gunsmithing - Shop Gunsmithing Tools & Supplies at MidwayUSA

I bought both of my guns new, my FS had a trigger pull around 10 Lbs, it worked down to around 8 Lbs, my compact came with a 15 Lb trigger that worked down to 12 Lbs.. Both guns are now around 5 Lbs after Greg Derr worked his magic on them.

Myself I would have a gunsmith sweeten the trigger.

Hope that helps.

Just wondering about the 10 round mags, I've been doing some homework on the M&P 40c and it states they all come with 10rd mags, 10+1 to be exact, but the sales person that I purchased my M&P 40c yesterday stated it came with 9rd mag 9+1??? Is this a possible MA 40c, what else besides the SKU# can I look for and is that SKU still accurate?

 

[kmanick]

I'm in mass as well, I bought my shield and my FS .40 new (at 4seasons) and had Greg do both of the triggers on them. (5.5# pull on each).
Actually cheaper than the Apex kit and he does a great job.
Look around locally you should be able to find a good gunsmith
near you that can tell you exactly what you've got with both guns.

I am in MASS and yes the triggers suck.

Do you have 10 round mags ??? If so it's a most likely a MASS gun, we are stuck with 10 round mags as well as the sucky triggers.

I have had Greg Derr do trigger work for me as well as a few other things to both my M&P's (a 40 FS and a 40c).

Greg Derr - Precision Pistolsmith

You can have a Gun Smith check both of your guns and have them do a trigger job or you can install the APEK kit or kits or you can get a S&W trigger sear and install that.

Smith & Wesson Sear Housing Block without Integral Lock and Magazine Safety S&W M&P, M&P Compact 9mm Luger, 357 Sig, 40 S&W - MidwayUSA

Gunsmithing - Shop Gunsmithing Tools & Supplies at MidwayUSA

I bought both of my guns new, my FS had a trigger pull around 10 Lbs, it worked down to around 8 Lbs, my compact came with a 15 Lb trigger that worked down to 12 Lbs.. Both guns are now around 5 Lbs after Greg Derr worked his magic on them.

Myself I would have a gunsmith sweeten the trigger.

Hope that helps.

 

[TacticalReload]

Necro-thread... revived yet again!

 

[Wee Hooker]

OK, I'll bite on this old brisket since the problem is still very relevant today.

I've "fixed " at least a dozen of the MA version M&P's and Shields
Here are my thoughts .
First, you need to know what you have as what you need to do depends on where you start. IF you don't have access to a trigger scale, try a fishing scale. If you don't have a fishing scale, try hanging a 5 gal bucket off the trigger and fill it with water till the trigger breaks. (Then weigh the bucket.)

If you have a MA gun, the trigger will be in the 10-12# range. IF you have a stock 48 state gun, it will be closer to the 6-7# range ( depending on production date /how "used" it is.)


Assuming you have a MA gun, there are two easy DIY ways to cure the trigger. Both involve replacing the sear with an Apex brand. ( You can save $40 by heavily reworking the factory sear via Burwell's online instructions but I don't recommend it for a newbe gunsmith). Replacing the sear alone, will get you into a crisp 5.5 -6.2# range. (Read: just right for a carry gun.) Replacing the sear and the trigger return spring, can get you down into the 3.5-4.2# range (which IMHO is great for a range gun but too light for a carry gun.) In either case, leave the sear spring alone. It's heavier but works well in either combination. The Apex sear is $40 all over the net. The trigger return is $3.33 from Brownells. Elbow grease is free if you want to polish some parts while your in their.

As for the complete Apex kit, you can invest if you want but I think 90% of the improvement can be found in the above mentioned parts alone.

 

[markfi]

The newer guns have an improved trigger pull.