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Anyone out there having problems with P320 full size mags spontaneously disassembling when being fired? Specifically, the base plate letting go and spewing the mag guts out while the mag body stays in the gun? | ||
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Sigforum K9 handler |
Not that I have seen or heard. | |||
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| You're going to feel a little pressure... |
Let's wait to hear from someone that has some actual trigger time behind the P320, huh?  Bruce "The designer of the gun had clearly not been instructed to beat about the bush. 'Make it evil,' he'd been told. 'Make it totally clear that this gun has a right end and a wrong end. Make it totally clear to anyone standing at the wrong end that things are going badly for them. If that means sticking all sort of spikes and prongs and blackened bits all over it then so be it. This is not a gun for hanging over the fireplace or sticking in the umbrella stand, it is a gun for going out and making people miserable with." -Douglas Adams “It is just as difficult and dangerous to try to free a people that wants to remain servile as it is to try to enslave a people that wants to remain free." -Niccolo Machiavelli The trouble with fighting for human freedom is that one spends most of one's time defending scoundrels. For it is against scoundrels that oppressive laws are first aimed, and oppression must be stopped at the beginning if it is to be stopped at all. -Mencken | |||
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What events preceded the spontaneous disassembly? Was it disassembled for cleaning? | |||
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Um, No.... ______________________________________________ Life is short. It’s shorter with the wrong gun… | |||
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Rule #1: Use enough gun |
I have 4 mags for my full size 45. One of them is particularly hard to get the last round into. It'll go, but it takes some serious effort. The others seem to be OK. When a strong man, fully armed, guards his own house, his possessions are undisturbed. Luke 11:21 "Every nation in every region now has a decision to make. Either you are with us, or you are with the terrorists." -- George W. Bush | |||
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Fighting the good fight |
Nope. Never experienced that, or even heard of it. Is it a factory new magazine? Any chance it was disassembled and then reassembled improperly? Any chance a different baseplate could have gotten swapped in? (Such as a .45 baseplate on a 9mm body, though I'm not even sure if that will fit...) Otherwise, it sounds like you may have a broken or out-of-spec baseplate and/or magazine body. | |||
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| Nature does not hurry, yet everything is accomplished |
Never heard of it. I saw it happen to someone shooting a CZ in a match years ago and assumed it was because the magazine was taken apart and not reassembled correctly but I don't know that for sure. | |||
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Never ever. Presuming the polymer base plate isn't broken and the mag body flanges aren't out of spec, I don't even see how it is possible. When the stud is pushed in, the plate has to slide forwards to be removed. With the mag in the gun, the plate will not move forward. Unless the mags are longer than the grip frame module (e.g. FS mag in C grip frame). Some additional info would be helpful. ______________________ An expert is one who knows more and more about less and less until he knows absolutely everything about nothing. --Nicholas Murray Butler | |||
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Sounds like a ProMag.... heh | |||
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I have not had this happen to me but if you do not reassemble them correctly this will happen. When you put the base pad back on you need to make sure that the tab on the base pad retainer plate that is attached to the spring is put into the slot on the magazine or the issue you talk about can happen. If the base pad retainer is not in the slot it will keep the round tab on the bottom of it from locking in securely in the round hole on the base pad. Check out this video for description. Even though Gerry is talking about the Springer Base Pads it still holds true for the standard Sig base pads. Link to original video: https://www.youtube.com/watch?v=zdzfqZF6e8s | |||
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I have at least 15 of the 320/250 magazines in various calibers and capacities. Never a problem with any of them. End of Earth: 2 Miles Upper Peninsula: 4 Miles | |||
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Member |
Just yesterday I had the problem that Jerry references in the video. I reassembled a mag after cleaning and neglected to properly seat the tab in the front edge of the mag body. I looked on the ground after doing some reloads and saw that the base pad had slid forward and was about a 1/16 of an inch from coming completely off. | |||
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My Sergeant from work dropped his from waist height onto concrete during a fight, no clue how, but it exploded into all its separate pieces. Went back together fine without issues but I've never seen that before this in a pistol. | |||
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Give Private Snuffy some range time after the P320 is issued and we will see a mag upgrade by SIG. ********************** 53 Jesus said to them, “Very truly I tell you, unless you eat the flesh of the Son of Man and drink his blood, you have no life in you. Read Quod Apostolici Muneris (1878) LEO XIII. This Pope warned us about the Socialists before most folks knew what a Socialist was... | |||
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| When you fall, I will be there to catch you -With love, the floor |
Over ten thousand rounds through one and six or so through another. never happened nor did any other shooters with the same platform. the magazine was not reassembled correctly as once the pin locks into place, it's not moving. Check the floor plate insert to see if the pin is damaged or deformed. Check the hole in the magazine floor plate to see if it's clear of gunk and dirt. It should be almost flush when it's in place. | |||
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| Lost, but making good time |
I've been shooting a P320F 9mm for IDPA / Action Pistol shoots for the past 3 years and haven't had any problems so far. I also practice with it in an indoor range (concrete floor) and do countless numbers of mag changes, letting the mags hit the floor and have never had a problem with the base plates coming off. Bye for a while, guard the fort. - My Dad | |||
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I drop mine and have no issues either and did so long before I had a 320 as I started with P250's that use the same mag, when but I suspect the ones that disintegrated did so because they were not assembled correctly {?}. There is one magazine problem I would warn folks about. Do not use larger frame module mags in a gun set up with a smaller frame. Unless the mags have a proper spacer, as in seating the longer mag, they can over-insert and tie up the gun. I've done a mod to lessen the problem but nothing is foolproof except for a proper spacer/block that prevents the mags from over-seating. The ridiculous rubber spacers are an abortion of the lowest order. SIG needs to make a proper spacer that snaps over the mag floorplate and positively grips the mag box so it can be used for reloads and also prevent the over-insertion. ********************** 53 Jesus said to them, “Very truly I tell you, unless you eat the flesh of the Son of Man and drink his blood, you have no life in you. Read Quod Apostolici Muneris (1878) LEO XIII. This Pope warned us about the Socialists before most folks knew what a Socialist was... | |||
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A little background info might help. I was a fly on the wall during a conversation between two people. One was an LE type commenting that this happened to a Federal agency undergoing training. Mags were brand new and more than one experienced the issue. The second party commented that they had never heard of this or any other problems with the 320 mags. They speculated that this might have been restricted to a batch of new mags only. Just thought that with the collective experience and contacts here you might have heard about this. I don't want to be responsible for spreading unsubstantiated rumors, though. | |||
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Well there is no reason brand new mags couldn't have been assembled incorrectly at the factory. That is a possibility I suppose. ********************** 53 Jesus said to them, “Very truly I tell you, unless you eat the flesh of the Son of Man and drink his blood, you have no life in you. Read Quod Apostolici Muneris (1878) LEO XIII. This Pope warned us about the Socialists before most folks knew what a Socialist was... | |||
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