M&P 9 fired while inserting magazine

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I have literally done hundreds, if not a thousand mag save reloads with my M&P pistols and never had the gun go off when a fresh mag was inserted into the weapon. Without manipulation of the trigger, there is no way for this to happen. Well... unless it is a Sig 320. =)
 
CamG7488 said:
I wouldn’t and didn’t pull the trigger.. idk man.. 6 people were questioned by police.. they said the exact same thing. No trigger was ever pulled..
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Hey if you new what happened you would not be here looking for causes ! Apex trigger or kits can very in pull weight and since YOU did not install this kit and really know nothing about it like mentioning your m&p trigger pull weight ether or what your old on the job carry handgun was and history CC'n it ! How many rounds have YOU fire in the M&P along with time frame since you have been shooting it . You failed to mention the holster too . Fo you only carry on the job ? If full time why the heck were you monkeying with your handgun in an office area at all . If you allowed to still carry a handgun for work be thankful .

Apex trigger kits do not go bang on there own . To many parts have to move for that to happen .

You think You did nothing wrong but with out video to study you really may never know and its always easy for law enforcement to say the cause was a malfunction but people do manage to screw up while not releasing it . I'll tell you many well seasoned long time shooters have had accidental discharges NOT malfunctions of a firearm so perhaps you can contact apex your self and talk to them about what you know honestly ! Might even send your m&p in to them to see if granddad did something wrong !!

Bottom line is people do foolish things and have no idea what happened or can't assume that maybe they did screw up they did cause the discharge and make some changes in how and where the handle a firearm . I have had one unintended discharge with a firearm and have 63 years of shooting . I know what I did wrong and that issue was corrected .

I've been a 1911 guy since 1976 when I turned 21 and carried a alloy framed commander with a 3.5lb carry trigger pull weight . My wife's and my m&ps have apex FST kits added with a pull weight of 3.5lb too but have thumb safety's . I Never carry +1 as you did . I insert mag into a locked back slide and let the slide chamber a round from the mag S l o w moving the slide forward . We have two m&p full size pistol with close to 22,000 rounds fire with no unintended discharges and a couple others wuth 8 thousand plus rounds fired reliably . To say you had 6 others watching you , really watching you or just around your area while doing there own business ? Regardless Your business should not allow there employes to monkey around with there handguns in a office setting period . The company you work for should have a small room or even a closet to load and unload a firearm with a discharge container to use just incase of another opp's moment .
 
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In 56 years of shooting and handling firearms, I'll admit I've had one AD, from a Desert Eagle .44. Unfortunately for me, the expended round totally destroyed my wife's package from her favorite online retailer. Yes, I killed an $800 Gucci purse. When I finally found the courage to give the wife her holy package, she just looked at me, and said at least your ok, now follow me. She took me to the basement gun vault and said my stupidity cost me a gun of her choice. She took one of my Sig P210's, and informed me I also had to replace her purse at my expense. Th

I'm glad you lived to tell, stories like this give pause to most before they go brain dread. I've resumed my practice of loading, unloading, checking in a weapons barrel.
 
Why of why would someone use/ carry/ deploy/ operate a handgun that is stated as defensive/ mission critical with an APEX trigger in it? OEM setup on Defensive Guns, ONLY. Apex, Dynamic, and the like are made for Competition use. there are so many reasons to never do those things.

That said, The early poster that discussed the operating geometry of the trigger bar is spot on, very similar to Walther PPQ/PDP geometry.

With this in mind, I would 1- never do that again, particularly in a place other than the range, 2- get rid of that gun, get a standard striker gun with no mods that has a safety, 3- get retrained in NRA CCW, PPITH, and PPOTH, and after that get a single action Pistol and carry it unchambered until I knew the shooter/ firearm interface was 100%..
 
a5werkes said:
No mystery.
The trigger was pulled or pushed during your "administrative" magazine maneuver.

The M&P9 trigger bar movement is required to depress the independent spring-loaded striker blocking plunger and simultaneously release the trigger bar-sear engagement, which then allows the cocked striker to ignite the primer. BANG.

The event had nothing to do with an Apex trigger installation.

You defeated the three M&P9 safety mechanisms.
1. Articulated trigger passively prevents its movement unless the center tab is depressed, same with Apex.
2.With the trigger at rest, the trigger bar tab resides off of the safety plunger. The trigger bar had to move rearward for its tab to depress the plunger and unblock the spring-loaded striker.
3. The rear of the trigger bar rotates the rear of the sear downward from its engagement with the striker tab allowing its spring to power the tip of the striker into the primer.
#2 & #3 are geometrically timed to function simultaneously by their arrangement on the trigger bar.

The primary safety on any firearm is muzzle direction. This rule was violated.
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I respectfully disagree with your rule, i.e. The primary safety on any firearm is our "BRAIN". We must engage it 1st....!
 
So who has the weapon now? Was it taken for inspection by a certified armorer?

And to clarify:

Was the slide already closed (round chambered) and you inserted a full mag and it fired? Did you have to whack it to get it seated?

Or was the slide open, you inserted the mag, released the slide and it fired?

Or was the slide open, you inserted the mag with a good whack, the slide dropped ("auto forward") and it fired?
 
Author pulled trigger but his brain refuses to take responsibility. Just like the woman back in the '80s that ran over her daughter and killed her but blamed her Mercedes and started a national campaign recall by Mercedes for "unintended acceleration".
 
jeffrefrig said:
Well, at least the OP had the option of telling us about the accident to keep at least me on my toes. If I DID have reason to mess with my gun in a roomful of humans, at least point the gun at whoever is the first person around you that you hate the most! Them bullets hurt; shoot someone else, not your leg. That must’ve hurt. I’m glad you’re okay.
Jeff
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Why didn't he remove the cartridge from the gun in the first place?? Then insert the mag.
 
Basic firearms safety was ignored, doing what ,where and how you did it 100% wrong, There’s no way around that. You lucked out that nobody else was injured, stop blaming the gun , it was operator error. Even if the gun has a fault it was still operator error. That said I hope you recover fast and well, and hopefully you will never have this type of issue again
 
I have practiced and qualified with a 1.0 40 cal and a 2.0 Metal 9 many many many times and never had that issue. Both were stock. I have had some times where the slide with go forward when I slam the mag in during qualification but, never a discharge when inserting a mag into a pistol. The way I was trained was if there is a round in the chamber, you have your pistol in your holster and then gently insert the mag into your magwell. Done this thousands of times and again, never had a discharge. If it ever would go off "Accidently" it would go parallel to my leg into the ground.

Our range people frown on gun alterations and will regularly check out trigger pull. Can't recall but nothing less than 4 or 5 pounds minimum. Sorry but this was completely preventable. Operator error for using an altered firearm and loading in an unsafe manner. I try not to Monday morning QB but this one screamed out to me.
 
Mikecu said:
Any video surveillance? I think the trigger was touched.
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What… 6 eye witnesses isn’t enough?


OP.
Look, some gave you good advice.
Some, gave you a hard time…with some light ribbing (I may fall under that category)

In the end…
You fully acknowledge it was reckless and silly. I hope it’s safe to say, it won’t happen againl
Luckily, nobody hurt badly or..worse yet…or this could’ve turned really bad, really quick.
 
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