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Old 07-09-2017, 09:38 PM
royal barnes royal barnes is offline
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M&P 2.0 9mm Problems M&P 2.0 9mm Problems M&P 2.0 9mm Problems M&P 2.0 9mm Problems M&P 2.0 9mm Problems  
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Default M&P 2.0 9mm Problems

I purchased a FDE 2.0 9mm on Friday, cleaned and lubed it. Carried to the range this morning and was not able to get it to cycle without issues. Each mag ran OK, then not. I experienced most every malfunction I could think of. Failure to feed; stove pipe of an empty casing; stove pipe of a live round; failure to go into battery. I currently have a live round in the chamber with the slide about 1/4" to the rear and it is completely locked up. I was shooting my 124 grain reloads and have used them in my Shields and my BHP with no issues. My gunsmith will look at it tomorrow and hopefully get it unlocked so we can extract the live round. He is a certified M&P armorer so maybe he can diagnose the problem.

The pistol is very accurate when it runs. I'll try factory ball in 115 and 124 grains once I get it working again. If it is still not 100% reliable (or as near as something mechanical can be) it will be headed back to the mother ship. This is the first Smith I have ever had an issue with and I have owned quite a few.
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Old 07-09-2017, 10:00 PM
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Sorry to hear about the issues. Hopefully you get them resolved I'm sitting at right around 500 rounds through mine with zero problems.
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Old 07-09-2017, 10:04 PM
HOUSTON RICK HOUSTON RICK is offline
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I will wait a while and give them time to work out any bugs on the 2.0.
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Old 07-09-2017, 10:11 PM
ontargetagain ontargetagain is offline
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You are likely experiencing the bullet lodging into the grooves/lands especially since you have the slide locked up on extraction. My 45 Shield is sensitive to bullet position and bullet profile.
I am a reloader, however any new gun I purchase I buy a box of quality brand name factory ammo, if the new gun has issues with the factory ammo it is most likely the gun. If no issues I move on to my reloads but doing a plunk test prior to trying to use the reloads will tell you where you are at and where you need to be for bullet seating depth.

Extract that round and try out a box of quality factory ammo and see how that goes
The gun you mention is the next one on my radar in 5in for me!
Karl
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Old 07-09-2017, 11:48 PM
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Just grabbed the FDE 5" 9mm... haven't shot it yet. Hopefully that's just an isolated issue.
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Old 07-10-2017, 12:45 AM
JVSIII JVSIII is offline
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When you do the drop/clunk test, dropping them in the barrel as a case gauge, rotate the cartridge. Maybe take a couple of your reloads with you. If they don't turn easily, you're hitting the rifling. You can have the barrel free bored or load a bit shorter. I'm up to about 1k through my 2.0 with zero issues. Come to think of it, I don't think I've had a malfunction in an m&p yet. Maybe 6-7k through 2 first versions, a shield and the 2.0 4.25".

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Old 07-10-2017, 06:47 AM
MichiganScott MichiganScott is offline
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Quote:
Originally Posted by ontargetagain View Post
You are likely experiencing the bullet lodging into the grooves/lands especially since you have the slide locked up on extraction. My 45 Shield is sensitive to bullet position and bullet profile.
I am a reloader, however any new gun I purchase I buy a box of quality brand name factory ammo, if the new gun has issues with the factory ammo it is most likely the gun. If no issues I move on to my reloads but doing a plunk test prior to trying to use the reloads will tell you where you are at and where you need to be for bullet seating depth.

Extract that round and try out a box of quality factory ammo and see how that goes
The gun you mention is the next one on my radar in 5in for me!
Karl
^^^^^^^^^
What he says. Just because they work in one gun does not necessarily mean the reloads will work in another. Getting a load that is both accurate and functional in multiple guns can be a challenge.
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Old 07-10-2017, 07:58 AM
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My 124 gr. reloads work in every 9mm I have, which is quite a few. Every one except my Shield, that is. Must have a tight chamber. Factory ammo will run in the Shield, so obviously my reloads are a hair out of spec.
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Old 07-10-2017, 08:57 AM
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It's the reloads. Run factory ammo in the gun. I don't understand why people run reloads and then are surprised when they have problems.
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Old 07-10-2017, 11:07 AM
royal barnes royal barnes is offline
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Quote:
Originally Posted by presspics View Post
It's the reloads. Run factory ammo in the gun. I don't understand why people run reloads and then are surprised when they have problems.
I guess it's because I have run this same reload in at least 6 9's for at least 4 years with no, I repeat, no issues. Silly me.
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Old 07-10-2017, 12:00 PM
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Like you mentioned in the original post and others have mentioned, I would run a box or two of factory ammunition through it and just see what happens. If it runs fine you may have to make a minor tweak to your loads and see what happens.
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Old 07-10-2017, 04:39 PM
Steve K Steve K is online now
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My 2.0 FDE 5 inch runs without a hiccup, but I had a similar problem with my 9 MM RO. In order to identify the problem I coated the rounds with a black Sharpie, chambered the rounds and looked for wear signs. I noticed two high spots. To correct the problem I had a gunsmith use a finish reamer, and use a Lee Undersized die. The RO works fine now.
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Old 07-13-2017, 09:27 AM
Cat9mm Cat9mm is offline
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Quote:
Originally Posted by Steve K View Post
My 2.0 FDE 5 inch runs without a hiccup, but I had a similar problem with my 9 MM RO. In order to identify the problem I coated the rounds with a black Sharpie, chambered the rounds and looked for wear signs. I noticed two high spots. To correct the problem I had a gunsmith use a finish reamer, and use a Lee Undersized die. The RO works fine now.
Tight chamber. Had a 9mm (of a different manufacturer) that would not pass plunk test with my reloads. The reloads passed a Dillon Precision 9mm case gauge test, but would not fully chamber. Called mfg, was told that when they ream chamber, they use a factory ammo 9mm round to check, then stop reaming. HOWEVER, factory ammo is 0.3910" at 0.200" b (and allowed to be 0.007" undersized). SAAMI calls for the chamber to be 0.3913" (+.004 at 0.200" b). Purchased a .002" undersized Lee sizing die - still not chambering. Purchased a 9mm finish reamer, gave it to my gunsmith, had him ream chamber. Took out a lot of metal. He has serviced several 9mms (from that manufacturer) since. Did a cast of the Dillon Case Gauge, would NOT plunk into that barrel before reaming, but would in other 9mms.

Last edited by Cat9mm; 07-13-2017 at 09:32 AM.
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Old 07-13-2017, 10:01 PM
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I have just over 1000 rounds through my 5inch FDE. 1 Failure To Eject and one Failure To Feed both with Winchester White Box 115 grain FMJ. No issues with my self defense ammo: Winchester or Remington 115 grain JHP. FTE and FFE were both last Saturday after 5 hours of drawing and firing (298 rounds) in active training. I was tired and probably not gripping the pistol well.
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  #15  
Old 07-22-2017, 12:41 PM
royal barnes royal barnes is offline
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I carried my 2.0 to the range after my initial issues with 124 reloads. Put 200 rounds of 124 American Eagle and 50 rounds of Federal HST 124's. Had two failures to chamber but both were resolved by a rap on the back of he slide with my hand. Neither mag would lock the slide back and I experienced at least 8 empty case stovepipes. Also had two failures to pick up the next round about midway through the mag. My gunsmith and I both shot it with similar results. Will be calling Smith on Monday unless someone knows the magic answer.

Last edited by royal barnes; 07-22-2017 at 12:44 PM.
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  #16  
Old 07-22-2017, 01:13 PM
ScaryWoody ScaryWoody is offline
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Check the extractor. M&P 2.0 has a tight extractor. Make sure it has free movement. Some cut off a coil on the spring to lessen the pressure.
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Old 07-22-2017, 02:16 PM
Steve K Steve K is online now
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Send it back to Smith. You bought a new gun; it should work as advertised. They will send you a label and FedX will pick it up at your door.
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Old 09-23-2017, 05:40 PM
Shootah Shootah is offline
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I got a 2.0 5 inch havin the same problem with Freedom munitions :/
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Old 09-23-2017, 07:18 PM
stavey stavey is offline
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It's your reloads. No offense but just because they function in 1 gun doesn't mean your good to go. They are no doubt underpowered or inconsistent . Either way if you didn't load them I wouldn't shoot them.
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Old 08-03-2018, 08:21 AM
ilnetd ilnetd is offline
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I know this is over a year old, but in the event someone else comes across it, I was having the exact same issue. I noticed someone else mentioned checking the extractor. I replaced my extractor with one from Apex Tactical. Problem disappeared immediately. I've cycled 500+ rounds through the pistol now without any issues.
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Old 08-03-2018, 02:18 PM
ScaryWoody ScaryWoody is offline
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Quote:
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Check the extractor. M&P 2.0 has a tight extractor. Make sure it has free movement. Some cut off a coil on the spring to lessen the pressure.
Nailed it! I figured it was either that or spray paint the gun black. The black ones never have a problem.
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Old 08-04-2018, 08:30 AM
kbm6893 kbm6893 is offline
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Quote:
Originally Posted by presspics View Post
It's the reloads. Run factory ammo in the gun. I don't understand why people run reloads and then are surprised when they have problems.
I have shot nothing but reloads since 2013. I have never had a failure to chamber, fire, or extract in any of my pistols. I do the plunk test on a new gun and they’ve never failed.
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Old 08-04-2018, 07:59 PM
rsrocket1 rsrocket1 is offline
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I plunk test every cartridge I reload. Way better to spend an extra 2-3 seconds per round at the loading bench than what you experience at the range.

9mm is one of the finicky-est and wildly varying rounds out there especially if you use range pickups or shoot different brands of guns.

The S&W M&P 9mm and 40 barrels and chambers are very tight. My 40 barrel slugged at 0.400" and the throat was 0.4005". My 9mm barrel was 0.355" and 0.3555" respectively. Loaded cartridges that would pass the case gauge would often still be very snug in the barrel plunk test.

A lot of times, 9mm brass will be fat in the head and a resizing die will not fully resize the brass all the way down. You'll then get the round stuck in the barrel and the barrel will lock up. "Driving the slide home" with a mallet will only make things worse, you'll have to somehow pull the slide back to get the round out.

Some times grabbing the slide with your left hand, then slamming the grip with the web of your right hand will get the slide open.
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Old 08-06-2018, 10:42 AM
jim46ok jim46ok is offline
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Quote:
Originally Posted by presspics View Post
It's the reloads. Run factory ammo in the gun. I don't understand why people run reloads and then are surprised when they have problems.
A blanket condemnation of reloads is just not appropriate.
When properly adjusted, reloading dies are capable of and designed for duplication of SAAMI specs.
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