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Discussion Starter #1
I recieved my M&P9 on Monday July 16th, Serial No. MPT6XXX. I've been reading the many posts in this forum to learn as much as possible both before and after my purchase, which has been a great help. In the posts i've seen several times where people had complaints, and these complaints seem to have been addressed by S&W in the form of revisions to the pistol... such as mag release improvements, improved slide stop, etc. Since i have a "high" serial number, many improvements may have been made by S&W and incorporated into the pistols. Is there a list somewhere on this site that gives info like "problem - solution - date", to be used as reference to determine if these issues have already been addressed by S&W or if they're something us newer owners should be on the "look-out" for?



I've seen reference to "REV N" in a couple of posts... what is this and where is the "REV N" mark found of the gun?



I've put 400 rds of WWB through my gun since picking it up on Monday with absolutely no problems! It does tend to shoot a little low and to the left, but i really think it's the shooter... had someone else shoot it and they were dead on.
 

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Congratz on joining the rest of us with your new M&P! As to your questions i can only answer the one about the "REV N" marking's location. I had asked this before from someone else and never got an answer as to where it was located on the pistol but while cleaning it was right there infront of my face. That marking which is stamped onto the gun is located on the frame under the recoil spring when it's full put together. Feild strip it and look at the frame and you should see it stamped there in big letters. I have no idea what this stands for or if in fact it truly was a revision. hopefully some well informed M&P person can answer what changes have been made and what this marking stands for.
 

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REV N is the most current. It is used by S&W to indentify the frame so they can track it later if it needs repair. Anything after MPBxxxx serial #'s should be up to date on the "latest" corrections. They have made changes based on things like, mag drops, mag sticks in frame, FTF, FTE, slide lock problems, etc. Your firearm should be fine and offer years of trouble free shooting. The negative things, while are real, have been on a smaller scale than would appear at first. Remember that bad things pass along pretty quickly on forums, this or others. Even the "almighty" Glock had many and similar problems when it first came out. I have a MPLXXXX weapon and have zero probs. after several thousand rounds




Go shoot and enjoy :wink:
 

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Discussion Starter #4
thanks for the info... i still can't find the REV N... maybe S&W isn't identifying that any longer. I'm just curious to the "evolution" of this pistol.



thanks again...
 

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Safely! Pull the slide off as per instructions and look at the top (inside) of the dustcover just forward of the trigger housing. :wink:
 

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Discussion Starter #6
nope... no text... but there is a series of dots... 15 in all, 3 rows of 5, but nothing else...
 

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If you had a Rev designation, this is what it would look like.



 

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Discussion Starter #8
thanks... as they say, "a picture is worth a 1000 words"

i do not have any text at that location. I do have a series of raised dots, (3 rows of 5 dots), in the "panel" or space immediately to the right of the "REV M" in LC Star's pic. My serial # - MPT6XXX, spent case dated June 20, 2007...



Well... the "lack" of or "inclusion" of a rev # certainly does not seem to effect the performance of the gun... I'm just curious as to the evolution of the refinements made by S&W on these guns...
 

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Perhaps they have dispanded the "REV#" concept and went with the dots. Interestingly, the next revision after would be the 15th letter of the alphabet. 3x5=15!! "O" would be next/15th letter.
 

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My M&P9 is serial no. MPT5XXX and it too has the 3x5 dot pattern. The "15th letter = 'O' " theory is intriguing, but I wonder if it's really a revision or just economics. The 15 dots are raised, not stamped, where it looks like the "Rev N" is stamped. That adds a step (or several) to the manufacturing process. However, if you re-do the polymer mold, you eliminate that extra tooling.



Anyone have a credible source at S&W that can explain?
 

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The "Rev N" isn't stamped, it's molded...at least on my 9mm it is. I find the series of dots to be intriguing. I can't wait to find out an explaination for it.
 

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Roger that, rdw. It looked stamped in the pic and everyone that's mentioned it so far has referred to it is a stamping. I stand corrected.



Another thing I was curious about. For you Rev N owners, does it say that anywhere on the barcode/serial label on your oem case?
 

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RE: REV M

My M&P9 is S/N MPP8xxx and it has the fifteen little dots; no REV M.



It HAS been back to the factory after one week to correct jams. Repair slip said that the slide was replaced and that the barrel had been reworked. There are no rework marks/stamps/numbers that I can find on the frame, slide, nor barrel. No part numbers either.



dd
 

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For whatever it's worth; My S/N starts with MPH and the frame has REV N molded in.
 
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