SLAM FIRE?

Gun, shooting and equipment discussions unrelated to CHL issues

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jimlongley
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Re: SLAM FIRE?

#31

Post by jimlongley »

b322da wrote:If I might elaborate a bit further, my DI was a veteran of more than five years of combat, and he used the M1911 for what it was intended. He went a bit further than we see in FM 23-35. It was his position that racking the slide is "more gentle" on the pistol, and the slam (as in Slamfire) you get by releasing with the slide stop was discouraged when other than in combat, where the objective was to get a round in the breech in as short a period of time as possible, but, to do it unnecessarily, always, causes unnecessary stress on parts of the weapon. You may disagree if you wish. No problem. I will observe, for what it is worth, perhaps nothing, that those are the same insturctionsI received from the armorer of the AMU -- the guy who had to rebuild these weapons.

Maybe we have a generation gap here, and my long use of the real M1911 colors my position. I will admit that.

In closing, if this is your forum or you are a moderator I will accept your incontinent and grossly rude discipline. But until then I will not. In my opinion safety is never off-topic.

Elmo
Not to get into the middle of a micturating match, but my grandpappy was the one who taught me the nomenclature of the 1911 back in the 50s, as a freshly retired Brigadier General who had worked his way up from buck Private in his 40 years or so. I cannot remember the FM number I was provided with back then, but I do know that it called the device in question a "slide stop" and I can almost quote verbatim the portion that read "Reloading from an open slide . . . push down on slide stop . . ."

Your DI may have formed an opinion about a better way to do it, but that wasn't what the book that I learned from said, and the same goes for the armorer. When I went through Navy Gunner's Mate 'A' School we ran into a lot of fleet GMs who taught their opinion rather than the book, which is not necessarily the right way to do it. As ship's armorer I never saw any particular reason to favor "slingshotting" to reload over pressing the slide stop, and considering that the slide will actually move a little bit farther when slingshotting than using the slide stop, it's the slingshot method that seems to me likely to place more stress on a gun that should easily handle either, having been designed to take the stress of returning to battery from recoil. I fail to see how one method would be any more gentle than the other, as with either you are releasing the slide from far enough out of battery to pick up a round and chamber it, and that requires the amount of energy that the spring that is doing the job is designed to provide.

OTOH, one of the spare parts I stocked the most of in my armory, and according to BUWEPS inventory, was slide stops. Most, if not all 15 of my 1911s were WWII era and before, in the late 60s, some having had armory rebuilds, others just having lived in the fleet for that long, and the slide stop notch showed a little wear on a couple of them, but they still worked quite reliably.
Excaliber wrote:failing to periodically clean firing pin debris from the firing pin channel, and other similar errors.
The only slam fire I have ever experience personally was when my beloved but much abused and misused Remington Nylon 66 slam fired due to a buildup of crud that locked the firing pin forward, and it only fired one round and jammed.
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AdioSS
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Re: SLAM FIRE?

#32

Post by AdioSS »

when I saw the title, I thought this thread was going to be about older pump action shotguns that fired each time you pumped it as long as you kept the trigger held down. I guess it is a similar action.
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jimlongley
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Re: SLAM FIRE?

#33

Post by jimlongley »

AdioSS wrote:when I saw the title, I thought this thread was going to be about older pump action shotguns that fired each time you pumped it as long as you kept the trigger held down. I guess it is a similar action.
I had a couple in my armory, and they were kind of fun to "rock and roll" with, but like fanning a single action, terribly hard to be accurate with.
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RHenriksen
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Re: SLAM FIRE?

#34

Post by RHenriksen »

I used to always release the slide using the slide lock/release lever, on my Glock 23. I believe that contributed to rounding off the corners of the lever & slide notch to the point where shoving a magazine home is enough to release the slide.

That's great for a firefight, but am not entirely comfortable with that mode of operation at all times. So I've reverted to the slingshot to release the slide, unless I'm doing a speed reloading drill.

RNH
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LAYGO
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Re: SLAM FIRE?

#35

Post by LAYGO »

G.A. Heath wrote:
Beiruty wrote:Shouldn't firing pins be sprng-loaded so the pin is recesed unless hit by the hammer?
when dirty enough they can stick. The M&P in question had seen a few thousand rounds and had the FP channel oiled after every range trip. This is one reason people should never oil the FP channel on a firearm.
Also, per *MY* M&P owners manual, you only oil 7 spots on an M&P. Here is a picture showing it & the firing pin channel is *NOT* one of them.

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CompVest
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Re: SLAM FIRE?

#36

Post by CompVest »

There has been some petty and borderline personal attacks on this thread. I sincerely hope that the two members participating in this are finished or the thread will be finished.
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Re: SLAM FIRE?

#37

Post by pcgizzmo »

esxmarkc wrote:Well in an attempt to get this train back on the rails I will offer this;

As an engineer and somewhat of a statistician I can say that there are very few things in this world that are truly impossible. Many things are EXTREMELY improbable. Nonetheless, even at odds over 15 million to one someone still manages to win the Texas lottery about every couple weeks on average.

So is it possible that your friend was the big looser in the slam-fire lottery? Given the multitudes of handguns around the state of Texas that are charged every week it is certainly possible even with incredibly steep odds.

But condider this: Most all Sigs are hammer fired as opposed to striker fired (not all, but most models I am familiar with) and, most Sig models have a firing pin block safety system. Boiling this down:

A. You must have the trigger pulled in order for the firing pin to have access to the primer even if the hammer somehow releases foward on it's own the firing pin won't see the back of the primer. Many Sigs have hammer decocking levers as testament to this.

B. If the firing pin were frozen foward of the bock and protruding, the inertia of the slide would have to be sufficient even after stripping a cartridge to provide the force required to fire. AND if this were the case then the weapon would likely have continued to slam fire until it was empty and you could still find the pin in it's forward position.

So my answer is that depending on the model of the Sig I would have to say it is VERY improbable although not impossible, it is VERY, VERY improbable.

Tell your buddy to go buy a lottery ticket before wednesday and maybe his week will brighten up. Tell him to get well soon and that sometimes the most valuable lessons come with the nastiest ego bruises and physicial scars. We'd all like to think that "this could never happen to me" but alas we are all human and all capable of making errors. Maybe he made only one nasty error when his weapon was pointed at him as he dropped the slide, maybe he made two with his finger on the trigger. We will never really know.

We all make mistakes. We do our best not to but it does happen - even to the best of us.
Great post.
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Big Tuna
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Re: SLAM FIRE?

#38

Post by Big Tuna »

1. All guns are always loaded.
2. Never let the muzzle cover anything you are not willing to destroy.
3. Keep your finger off the trigger until your sights are on the target.
4. Always be sure of your target.

At least one rule was broken in this story. Maybe more.
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Re: SLAM FIRE?

#39

Post by E.Marquez »

CompVest wrote:There has been some petty and borderline personal attacks on this thread. I sincerely hope that the two members participating in this are finished or the thread will be finished.
I'll assume you mean myself and b322da? If so, this was worked out in PM's with a very cordial and friendly exchange.. That was no real issue, no does one remain :thumbs2:
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Re: SLAM FIRE?

#40

Post by E.Marquez »

Yes, acknowledged, though that was never a question asked :patriot:
The topic was the event of a "slam Fire" And remains the topic of discussion.
If more discussion of the topic is possible until I can get additional information.

Thanks
Big Tuna wrote:1. All guns are always loaded.
2. Never let the muzzle cover anything you are not willing to destroy.
3. Keep your finger off the trigger until your sights are on the target.
4. Always be sure of your target.

At least one rule was broken in this story. Maybe more.
Companion animal Microchips, quality name brand chips, lifetime registration, Low cost just $10~12, not for profit, most locations we can come to you. We cover eight counties McLennan, Hill, Bell, Coryell, Falls, Bosque, Limestone, Lampasas
Contact we.chip.pets@gmail.com

LongHairedRedneck
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Re: SLAM FIRE?

#41

Post by LongHairedRedneck »

LongHairedRedneck wrote:Stll would like to know what the primer on the spent casing looked like. Normal indentation? Crushed? Light strike? no marking at all?

Is the author of this thread going to answer this??? :headscratch

This will help in determining if you had a true slam fire or a malfunction which led to firing when the weapon came into battery.
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Re: SLAM FIRE?

#42

Post by E.Marquez »

LongHairedRedneck wrote:
LongHairedRedneck wrote:Stll would like to know what the primer on the spent casing looked like. Normal indentation? Crushed? Light strike? no marking at all?

Is the author of this thread going to answer this??? :headscratch

This will help in determining if you had a true slam fire or a malfunction which led to firing when the weapon came into battery.
Sure I will let me just have a look.
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Oh wait..... I cant just look, it's not my gun, I don't have the case, and both are in another town with the owner.. My apology's if that was not clear in the previous posts.. :headscratch

I acknowledge, the various requests for information, as it becomes available I'll add it to the thread. :thumbs2:
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b322da
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Re: SLAM FIRE?

#43

Post by b322da »

bronco78 wrote:
CompVest wrote:There has been some petty and borderline personal attacks on this thread. I sincerely hope that the two members participating in this are finished or the thread will be finished.
I'll assume you mean myself and b322da? If so, this was worked out in PM's with a very cordial and friendly exchange.. That was no real issue, no does one remain :thumbs2:
:iagree: Ditto.

Elmo

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Re: SLAM FIRE?

#44

Post by CompVest »

Thank you both.
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