Field stripping - MP-Pistol Forum

Field stripping

This is a discussion on Field stripping within the Autoloaders forums, part of the Armory category; Has anyone ever had problems field stripping their pistol after doing some polishing on the sear?...


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Old March 12th, 2013, 01:25 PM   #1
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Field stripping

Has anyone ever had problems field stripping their pistol after doing some polishing on the sear?
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Old March 12th, 2013, 04:53 PM   #2
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I've done it a number of times and never had any problem. Tell me you didn't put super glue on the sear?
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Old March 12th, 2013, 06:48 PM   #3
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Field stripping

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Originally Posted by KRWeiss View Post
I've done it a number of times and never had any problem. Tell me you didn't put super glue on the sear?
No.. I didn't put super glue on the sear. I'm starting to think that than I polished the trigger arm I took more material off than I thought. When I pull the trigger to release the slide it won't unless I push back in the slide ever so slightly. It didn't do that prior to the polishing.
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Old March 12th, 2013, 08:44 PM   #4
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Try doing it the way S&W tels you to in the manual.
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Old March 13th, 2013, 11:56 AM   #5
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Field stripping

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Originally Posted by KRWeiss View Post
Try doing it the way S&W tels you to in the manual.
I can field strip per the manual. I'm thinking that I polished it to the point that it will release the striker, but not the slide, if that makes sense.
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Old March 14th, 2013, 09:48 AM   #6
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Field stripping

Turns out I had to make a small adjustment on the loop where it engages the sear. I bent to loop arm upwards just a small amount, everything is like it was before I polished the sear and trigger arm.
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Old March 14th, 2013, 10:23 AM   #7
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Quote:
Originally Posted by lthrnck03 View Post
I can field strip per the manual. I'm thinking that I polished it to the point that it will release the striker, but not the slide, if that makes sense.
None, because once the takedown and sear disconnect levers are down the only thing keeping the slide from gliding off the frame's rails is the slide lock lever.

Opening the trigger loop is the most common fix for a dead trigger after trigger work is done.
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Old March 14th, 2013, 10:43 AM   #8
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Last time I stripped in a field, I was arrested and jailed. Shoulda picked a better field I guess. The local police department softball infield did not work out so well. Choose wisely!
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Old March 14th, 2013, 11:04 AM   #9
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Quote:
Originally Posted by KRWeiss View Post
Opening the trigger loop is the most common fix for a dead trigger after trigger work is done.
I definitely noticed the trigger did not seem as crisp after polishing the sear. A couple small adjustments to the loop and its nice and crisp again. As well as being able to field strip by pulling the trigger. I know it seems trivial wanting to field strip this way....I was really just looking to have my pistol function the way it was prior to polishing the sear and trigger bar(except for the gritty trigger)
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Old March 14th, 2013, 11:51 AM   #10
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If you only wanted to remove the "grit," then only modifying the striker block would have been necessary.

Any particular reason you insist on taking down the M&P using the trigger and not as detailed in the manual?
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Old March 14th, 2013, 12:30 PM   #11
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Field stripping

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Originally Posted by jasonuscg View Post
If you only wanted to remove the "grit," then only modifying the striker block would have been necessary.

Any particular reason you insist on taking down the M&P using the trigger and not as detailed in the manual?
The problem was where the trigger bar made contact with the striker block. You could see clear grooves on the trigger arm. So I polished the trigger arm.

I don't "insist" on doing anything. I do however prefer the alternate method of field stripping as it does not require me to pull the armorers tool from the pistol butt. It's a convenience.
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Old March 14th, 2013, 01:49 PM   #12
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Use a pen, pocket knife, key, screw driver, swizzle stick from your cocktail, anything in reach. I can count the number of times I used the frame tool using just the thumbs on my left hand.
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Old March 14th, 2013, 09:43 PM   #13
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When adjusting the trigger, you don't want it TOO crisp or to have too little overtravel because it won't release the sear if the slide is pushed down in the back. If you can keep the striker from releasing by tightly gripping the back of the slide/beavertail then you've gone too far.
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