New M&P45, problems with JHP? Magtech?

This is a discussion on New M&P45, problems with JHP? Magtech? within the MP Pistol Tech Help forums, part of the Smith & Wesson MP Forum category; Hello, I just picked up an M&P45, it's the first handgun I've owned (though I've handled and fired several at the range). Anyway, it's an ...


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Old October 3rd, 2009, 01:27 PM   #1
 
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Hello,



I just picked up an M&P45, it's the first handgun I've owned (though I've handled and fired several at the range). Anyway, it's an M&P 45 full size from the NRA (I sponsored one of their events) so it's got a nice logo on the front.



Anyway, after cleaning and lube I tried to cycle some ammo through it (by hand on my couch not firing it). The Magtech plane jane fmj cartridges I could load in the magazine, chamber, and then eject by manually racking the slide no problem.



The Magtech JHP ammo I could load in the magazine, chamber, but I have a *very* hard time racking the slide to get the cartridge to eject (whether the magazine is empty or not). I can pull the slide back maybe a quarter of an inch and it locks up. To get it to eject I have to get some leverage and rack it hard to get the cartridge to eject.



Did I do something wrong? Am I weak? Is this just how it is?



Thanks for the help!
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Old October 3rd, 2009, 01:39 PM   #2
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Quote:
Originally Posted by alowe' post='226487' date='Oct 3 2009, 03:27 PM
Hello,



I just picked up an M&P45, it's the first handgun I've owned (though I've handled and fired several at the range). Anyway, it's an M&P 45 full size from the NRA (I sponsored one of their events) so it's got a nice logo on the front.



Anyway, after cleaning and lube I tried to cycle some ammo through it (by hand on my couch not firing it). The Magtech plane jane fmj cartridges I could load in the magazine, chamber, and then eject by manually racking the slide no problem.



The Magtech JHP ammo I could load in the magazine, chamber, but I have a *very* hard time racking the slide to get the cartridge to eject (whether the magazine is empty or not). I can pull the slide back maybe a quarter of an inch and it locks up. To get it to eject I have to get some leverage and rack it hard to get the cartridge to eject.



Did I do something wrong? Am I weak? Is this just how it is?



Thanks for the help!
I don't know why you are having this problem. I am using the MagTech Guardain Gold 185grain +p loads and have not experienced this problem at all. Whether hand cycling or firing. From the sound of it. There is a problem only when the round is chambered. I would suggest checking the ammunition specifications to to see if there is a problem there or if there is something coated on the ammo or in the chamber. This is not something I have run into and if this does not help. I hope someone can some up with a better solution.
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Old October 3rd, 2009, 01:42 PM   #3
 
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i'd try shooting it to see how it functions.
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Old October 3rd, 2009, 02:10 PM   #4
 
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The cartridges I'm trying to use are Magtech Guardian Gold 45 Auto+P 230 GR JHP. The FMJ Magtech 230gr hand cycle just fine.



Should I really just shoot it and see if it works?
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Old October 3rd, 2009, 02:17 PM   #5
 
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Quote:
Originally Posted by alowe' post='226493' date='Oct 3 2009, 04:10 PM
Should I really just shoot it and see if it works?




the explosion which causes the slide to extract the spent casing is going to apply greater force than your hand racking the slide. i'd shoot it to see what happens. it's not going to hurt anything and at worse it will fail to extract.
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Old October 3rd, 2009, 02:19 PM   #6
 
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Okay, crisis averted. I guess I just am not used to the break-in process of a new pistol and that it'll take a bit for everything to settle in.



I've just cycled a few full magazines by hand, after about 20-25 rounds the gun is easy to rack in order to cycle the JHP cartridges. Are JHP more finicky in general than ball ammo? The FMJ cartridges were no problem with the gun right out of the box.



Thanks for all the quick replies!
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Old October 3rd, 2009, 02:42 PM   #7
 
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Quote:
Originally Posted by alowe' post='226496' date='Oct 3 2009, 04:19 PM
Okay, crisis averted. I guess I just am not used to the break-in process of a new pistol and that it'll take a bit for everything to settle in.



I've just cycled a few full magazines by hand, after about 20-25 rounds the gun is easy to rack in order to cycle the JHP cartridges. Are JHP more finicky in general than ball ammo? The FMJ cartridges were no problem with the gun right out of the box.



Thanks for all the quick replies!




JHP can be more finicky to feed reliably than FMJ but not sure about there being any difference in extraction. i wouldn't rely on hand-cycling the gun to be any indicator of how it will function under live fire.
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Old October 3rd, 2009, 03:13 PM   #8
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Quote:
Originally Posted by alowe' post='226496' date='Oct 3 2009, 04:19 PM
Okay, crisis averted. I guess I just am not used to the break-in process of a new pistol and that it'll take a bit for everything to settle in.



I've just cycled a few full magazines by hand, after about 20-25 rounds the gun is easy to rack in order to cycle the JHP cartridges. Are JHP more finicky in general than ball ammo? The FMJ cartridges were no problem with the gun right out of the box.



Thanks for all the quick replies!
JHP's are very finicky. Depending on the maker and type of bullet used.
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Old October 5th, 2009, 09:48 AM   #9
 
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Well, I spoke to soon. Took the gun out this weekend and shot about 80 rounds of ball ammo through it. After that I loaded up a magazine of Magtech JHP cartridges. I seated the mag, racked the slide, checked that a round chambered, pulled the trigger, it went bang as usual, pulled the trigger again, and *nothing*, held it down range for a bit, inspected the gun and saw that the slide didn't come all the way forward after the first shot. The spent case did eject and the second round was almost fully chambered.



I released the magazine, put on the thumb safety, and worked with all of my might to get the slide racked and the jam cleared. The slide would only move forward and back maybe less than a quarter inch. It took me five minutes of inspecting, pulling, and head scratching to get the slide back. Eventually I was able to muscle it hard enough. It was *very* hard to clear, even harder than when cycling at home (as I described in my original post)



I saw a lot of scratches on the brass case of the cartridge that was stuck.



So, not sure what to do now except not shoot Magtech JHP and try some other ammo. I know Reiverman had luck with the same Magtech JHP but not I.



Do I need to break it in with ball? Could I have a bad batch of Magtech? Do I need to contact S&W? Is there something else I should do?



What are the potential causes? What could it get stuck on? The feed ramp? An edge of the chamber? Or ??
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Old October 5th, 2009, 11:42 AM   #10
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I would get rid of the magtech as some have had problems with magtech. Don't be frustrated because it's not the gun but the ammo. I have shot couple thousand rounds of hard ball (230gr), including blazer brass, blazer aluminum, WWB and Speer Lawman.



Hollow points (230gr) Ranger RA45T, RA45B, Federal Hydra Shok. Remington Golden Saber some +P. Remington 185gr +P+. I would suspect I've shot 1500 plus of these combination's. Not a single problem except for the blinding flash on the 185gr +P+ Remington.



At lease 1000 rounds of my old, very old, did I say old .45 lead SWC that I loaded lonnnnnnnnnngggggg time ago with no failures.



To break your pistol in you have to shoot it not cycle it by hand





Quote:
Originally Posted by alowe' post='226622' date='Oct 5 2009, 12:48 PM
Well, I spoke to soon. Took the gun out this weekend and shot about 80 rounds of ball ammo through it. After that I loaded up a magazine of Magtech JHP cartridges. I seated the mag, racked the slide, checked that a round chambered, pulled the trigger, it went bang as usual, pulled the trigger again, and *nothing*, held it down range for a bit, inspected the gun and saw that the slide didn't come all the way forward after the first shot. The spent case did eject and the second round was almost fully chambered.



I released the magazine, put on the thumb safety, and worked with all of my might to get the slide racked and the jam cleared. The slide would only move forward and back maybe less than a quarter inch. It took me five minutes of inspecting, pulling, and head scratching to get the slide back. Eventually I was able to muscle it hard enough. It was *very* hard to clear, even harder than when cycling at home (as I described in my original post)



I saw a lot of scratches on the brass case of the cartridge that was stuck.



So, not sure what to do now except not shoot Magtech JHP and try some other ammo. I know Reiverman had luck with the same Magtech JHP but not I.



Do I need to break it in with ball? Could I have a bad batch of Magtech? Do I need to contact S&W? Is there something else I should do?



What are the potential causes? What could it get stuck on? The feed ramp? An edge of the chamber? Or ??
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Old October 7th, 2009, 06:59 PM   #11
 
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I have always had problems with magtech ammo. Range or defense ammo
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Old October 7th, 2009, 11:16 PM   #12
 
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i actually just fired 100 rounds of the magtech fmj through my mp45c with no probs today except i noticed if you ride the slide forward instead of hitting the slide release or pulling the slide all the way back and letting go, this is the only ammo that will stop short of battery in my gun.



never tried the guardian jhp's though.



i would think it's the ammo if it's only happened with that. if you google reviews on guardian ammo, it rarely expands and is an extremely poor performer-prob the worst jhp on the maket.



i just wouldn't use it.
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Old October 8th, 2009, 05:18 AM   #13
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Quote:
Originally Posted by alowe' post='226487' date='Oct 3 2009, 03:27 PM
Hello,



I just picked up an M&P45, it's the first handgun I've owned (though I've handled and fired several at the range). Anyway, it's an M&P 45 full size from the NRA (I sponsored one of their events) so it's got a nice logo on the front.



Anyway, after cleaning and lube I tried to cycle some ammo through it (by hand on my couch not firing it). The Magtech plane jane fmj cartridges I could load in the magazine, chamber, and then eject by manually racking the slide no problem.



The Magtech JHP ammo I could load in the magazine, chamber, but I have a *very* hard time racking the slide to get the cartridge to eject (whether the magazine is empty or not). I can pull the slide back maybe a quarter of an inch and it locks up. To get it to eject I have to get some leverage and rack it hard to get the cartridge to eject.



Did I do something wrong? Am I weak? Is this just how it is?



Thanks for the help!
I am sorry that you your M&P is having problems with the Magtech . Every gun has it own quirks. I would like to know more from dances with guns about the statistics he qouted about the performance of the guardain gold? I would suggest the Winchester's New Supreme Elite 230 grain pdx1 one round.
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Old October 8th, 2009, 10:23 AM   #14
 
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Quote:
Originally Posted by Reiverman' post='226838' date='Oct 8 2009, 01:18 PM
I would like to know more from dances with guns about the statistics he qouted about the performance of the guardain gold?












These .380 rounds were fired into water. The 85-gr Magtech Guardian Gold did not expand and is shown at the bottom. Remington 102-gr Golden Saber is shown at the upper left and Hornady's 90-gr XTP at the right.







and.....











Magtech Guardian Gold - 85 gr - JHP

: This load had the best penetration, but also acted like ball ammo and did not expand at all.





i would avoid magtech jhp's like the plague. not only don't they expand, but they cost the same price as quality jhp's.
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Old October 8th, 2009, 02:28 PM   #15
 
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Thanks for all the info, I've written off the magtech jhp ammo and will move on, purchased some Speer Gold Dots to try out. The ball ammo cycles no problem so I'll keep plinking with it. Love the feel of the gun though and am very happy with the M&P.



Also, on closer inspection the magtech jhp bullets don't look consistent with each other... some look like they are "smashed" on the top, if that makes sense... the rim at the top of the bullet on some look flatter than others. It's like, if you took one and smashed the tip of the bullet hard on the table a few times. In my limited experience looking at and handling hollow points it doesn't seem right.
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