2012 M&P FS 9mm Twist Rate

This is a discussion on 2012 M&P FS 9mm Twist Rate within the MP Full Size Pistols forums, part of the Smith & Wesson MP Forum category; I've seen a lot of people trying to figure out what the new 2012 production barrel's twist rate is. The original barrels use to be ...


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Old April 6th, 2013, 01:14 AM   #1
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2012 M&P FS 9mm Twist Rate

I've seen a lot of people trying to figure out what the new 2012 production barrel's twist rate is. The original barrels use to be a slow 1-18 twist rate (5 groove). I was wondering this myself seeing all the accuracy talk so I contacted Smith/Wesson and this is what they wrote back with the other day:

FYI: My M&P SN starts with DXJ****

Reference number: LTK51404***** Please use this ticket number in any correspondence with us.
Subject: M&P 9mm (4.25") Service full size

Dear Customer,

Your gun when built has the 1 in 9

If further assistance is required please reply accordingly.

Sincerely,

Rob
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Old April 6th, 2013, 03:10 AM   #2
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Meh.
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Old April 6th, 2013, 03:58 AM   #3
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2012 M&P FS 9mm Twist Rate

Now that you have this information, what can you do with it?


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Old April 6th, 2013, 11:43 AM   #4
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So they doubled the twist rate on the new models. I looked at mine (mfg 1/17/13) and I was guessing 1in 10. As for me it is way more accurate than I can shoot it at this point.
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Old April 6th, 2013, 01:25 PM   #5
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Both our 2013 Shields have a much faster twist compared to our early/mid year 2012 compact and fullsize pistols.
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Old April 8th, 2013, 10:38 PM   #6
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Interesting....I thought I read an article on 10-8 that the new barrels were like 1 in 24 more in line with kkb barrels.
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Old April 8th, 2013, 11:37 PM   #7
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Yep 1 in 24

modernserviceweapons.com/?p=159
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Old April 8th, 2013, 11:57 PM   #8
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Quote:
Originally Posted by jasonuscg View Post
Meh.
+1

My M&P40 easily shoots sub 3" groups at 25 yards on a bad day, approaching 1 1/2" on a good one, and that's with a well worn 2008 factory barrel. Our 1 in 16 twist rate SLB 9mm conversion barrel prints 2 1/2" groups pretty much all day long. I truly doubt that changing to a 1 in 10 twist rate will do much to improve 8" groups. Also, unless they've improved the wear characteristics of their barrel steel, faster twist rates wear the barrel faster.
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Old April 12th, 2013, 10:57 AM   #9
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I called S&W last week and they told me All M&P 9mm manufactured after October 2012 was the new twist rate!

I have a FS made in March of 2013 and to me it feels like they now have a more tactical trigger (feels the same as my shield).

Last edited by gupter; April 12th, 2013 at 10:59 AM.
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Old April 12th, 2013, 12:27 PM   #10
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Originally Posted by gupter View Post
...they now have a more tactical trigger...
Don't you mean more "tactile"? Nowadays, "Tactical" usually means either Black or Superfluous, and I don't see why they'd make the trigger any more black.
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Old April 12th, 2013, 01:03 PM   #11
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LMAO
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Old April 12th, 2013, 01:39 PM   #12
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Originally Posted by KRWeiss View Post
Don't you mean more "tactile"? Nowadays, "Tactical" usually means either Black or Superfluous, and I don't see why they'd make the trigger any more black.
I suppose tactile would be a better term but I intended to say Tactical. It seems in this industry tactical has a meaning. The most known companies to make trigger parts for the M&P are called Apex Tactical and Bowie Tactical Concepts. People often call ARs a "Tactical Rifle" and websites like Cabela's have a whole section labeled "Tactical Gear." I guess I think of "Tactical" in this industry as being combat like. I was trying to say it felt more combat ready because the trigger has a positive reset that allows you to fire more rapidly. But . . . the point of my post is that they changed the twist and the trigger in the latest version. The local gun shop had an old (still new but older date) 9mm, a march manufactured 9mm, and a 9mm pro and holding the newly manufactured beside the pro, the triggers felt oddly the same. The Gun Smith working there told me they just updated the trigger and he honestly felt that the new trigger is either the pro trigger or something very close to it. I think the trigger in the newer manufactured 9 felt very similar to my Shield. Is it the pro trigger? Probably Not. Does it feel as the same as my Shield? Yes sir!

So . . . If you are shopping for a 9mm, I would suggest trying to find one with a very recent manufacturing date. Especially if you do not plan on replacing the trigger parts right away.

Last edited by gupter; April 12th, 2013 at 01:43 PM.
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Old April 12th, 2013, 03:12 PM   #13
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gupter, I see you are new to the forum. Please ignore KRW, he didn't take his meds this morning. And, whatever you do don't misssspell a wurd.
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Old April 12th, 2013, 05:36 PM   #14
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mine was made in '08.....do I have a 1-18" then?
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Old April 12th, 2013, 05:54 PM   #15
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Originally Posted by jasonuscg View Post
LMAO
I knew you would appreciate that.


Quote:
Originally Posted by gupter View Post
I suppose tactile would be a better term but I intended to say Tactical.
It's all good. The wording just sounded a little odd, so I had a little fun with it. We can already tell you'll bring valuable insights to our little forum.


Speaking of odd:
Quote:
Originally Posted by GTownGeorge View Post
gupter, I see you are new to the forum.
That's how he welcomes folks, makes him feel more important.

Quote:
Originally Posted by GTownGeorge View Post
Please ignore KRW, he didn't take his meds this morning.
And here he's being considerate of others (I could have sworn I took those meds).
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