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California handguns Discuss your favorite California handgun technical and related questions here. |
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#1
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Glock slide closes when magazine is inserted into magwell.
So the other day I went shooting with my Gen 3 Glock 19. The gun has about 3000 rounds through it and I've owned it since new.
I had the slide locked open and I went to load a full magazine. when I slammed the mag into the gun the slide unlocked on it's own and chambered a round. It only does this when there is at least one round in the magazine and when I do it with considerable force. It does it with all my mags and and it had never done this before. When I do it with an empy mag or when I insert it softly, the slide will stay locked back. Now, I've done a little research and the general concensus on the internet is that this is "cool" and people prefer it this way. I don't agree so I'm wondering if anyone can provide a little insight on what I should do. The reason I don't like it is because I've developed muscle memory to grab the slide and sling shot it and I'd like to retain that same muscle memory. So, any advice? |
#8
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Lots of pistols will do it if you slap the magazine in hard enough, the magazine follower of the empty magazine is no longer activating the slide stop and when you slap in the new loaded magazine hard enough in it causes the slide stop to bounce and release. |
#9
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__________________
"Then there are sheepdogs. The sheepdogs are the bastions of safety. The sheepdog lives solely to protect the flock and confront the wolf. They live for the opportunity to be called to duty to protect the innocent. The sheepdog has fangs and the propensity for violence but hopes that he will not have to resort to it. However, he lives for that day when he will be able to use his warrior skills and mindset to keep the wolf from harming the sheep." |
#10
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You should also check for lube, grease at the slide stop area and remove them. And don't slam it so hard . Sent from my iPhone |
#11
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My S&W M&P 9mm does this. I know how hard to slam the mag in so its not an unexpected thing. Havn't tried on any other guns yet.
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NRA & CRPA member semi-docile tax payer amateur survivalist Nolite te bastardes carborundorum! |
#12
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At any rate, why are you worried about it? In what circumstance are you inserting a loaded magazine with enough force to cause the slide to release when you wouldn't have immediately released it manually anyway? Why are you inserting a loaded magazine but want the slide to stay back? I'm not sure I can imagine a reason that you wouldn't be doing this with the intent to immediately chamber a round anyway. |
#15
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#16
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#17
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#18
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*REMOVE THIS PART BEFORE POSTING* |
#20
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When your guide rod spring is getting weaker, it may not even work with your sling-shot technique. Sent from my iPhone |
#21
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my m&p 40 does it, but it makes me feel like I'm an operator or something so I don't care. and out of 5000 rounds mine has never FTF, FTE.
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HM2(FMF) Earl NRA Life Member...Are you?!?! Can't wait to be DEEP SEA!!! "The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants. It is it's natural manure." Thomas Jefferson 1787 |
#22
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My Sig will do this to if I really slam it in there. But when I owned Glock they did it easier. And it is a feature on Glocks according to a Glock gunsmith and PC 832 firearms instructor.
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#24
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Thanks for confirming that Glock malfunctions are common even from brand new guns.
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NRA Certified Pistol, Rifle, Shotgun and Metallic Cartridge Reloading Instructor California DOJ Certified Fingerprint Roller Ventura County approved CCW Instructor Utah CCW Instructor Offering low cost multi state CCW, private basic shooting and reloading classes for calgunners. CCW SAFE MEMBERSHIPS HERE KM6WLV |
#27
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Retaining control of the magazine all the way into the well and firmly inserting it, instead of slamming it into the well, helps prevent the slide stop from being jarred off (on any semi auto pistol, not just Glocks). It also helps ensure that the magazine seats fully and locks into place - which is a well known issue with the Glock pistols that I've trained cops with for a decade or so. It's always fun to watch an officer slam the mag into their Glock, fire a round, and have the magazine drop out of the well onto the ground. Their expression is priceless.
BTW, the Glock trainer who came to our department and trained all of the rangemasters referred to a Glock that did that as a "bonus Glock". I wouldn't call it a bonus, but it's not a serious problem either.
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I'm retired. That's right, retired. I don't want to hear about the cop who stopped you today or how you didn't think you should get a ticket. That just makes me grumpy! |
#28
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Ok, so it's a weak slide stop spring.
I've never taken my pistol apart farther than what I need for cleaning. Is replacing that spring something I can do myself? I don't really have "armorer's tools" but It doesn't seem too tough. |
#30
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All three of mine do it if you slam the mag in hard enough
So all 3 of mine came with weak springs? Two I bought brand new and did it on the first few mags. I don't believe it. |
#31
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if you slam it enough to overcome the inertia of the slidestop it will release if you insert it in the magwell it doesn't always do that
did you know if you take a 1911 and slam its muzzle on something hard it can set off a round |
#32
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No, you can get a brand new Glock to do that if you slam it hard enough. And my one G17, with over 75,000 rounds, does it also. It's just an artifact of the design. It's not a weak spring, or worn slide stop.
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#33
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Agree. |
#34
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No, its not.
If it was a weak slide stop spring then you could replicate the same thing with an empty magazine or even with no magazine. Go ahead and try... Nothing happened right? That's because the empty follower of the magazine is holding up the slide stop. Or in the case of an empty magazine well the slide stop is doing its job. Now lock your slide back and look into the ejection port, see the small triangular shaped piece of metal that the magazine follower makes contact with on an empty magazine? (it makes contact on the front left of the magazine where there's a molding number, my magazines all have a 5) That is the part of the slide lock that the magazine follower lifts and causes the slide to lock. Now load a magazine with a snap cap. Notice that that metal tab is no longer supported by the magazine as the snap cap has lowered the follower. If you slam the the magazine with the snap cap in hard enough the energy of the slap will transfer up the magazine and cause the slide stop to bounce and release. Newtons Laws in action. Edit: BTW this has been talked about here a couple times, Someone even had the idea to make a list of pistols that could do it http://www.calguns.net/calgunforum/s...d.php?t=452748 Last edited by Chaos47; 06-27-2012 at 7:24 PM.. |
#35
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Hmmmm.... I'll try to duplicate this after work.
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#36
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I have a Taurus PT 140 that did this. I didn't think much of it as I remember some 1911's doing this when I was in the military.
I called Taurus and they said that it absolutely not do this so I sent it back to them. They replaced the entire slide FOC. It works perfectly now. I'd get it checked out by a Glock armor. It's not a big deal, IMO, but it struck me as a little unsafe. Made me uneasy so I got it repaired.
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I can resist everything...except temptation. Wilde |
#38
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A weak spring? Really? You guys do know that the springs are designed to keep the slide down in the DOWN position to prevent it from accidentally engaging right?
To the original poster, all of my Glocks do this. It is not a defect, or a feature. Just a cause of physics. Inserting magazine quickly gives enough momentum to move the slide just enough for the slide lock spring to pull the slide lock back down, causing the slide to return forwards. There is nothing worn out or defective. Don't listen to the people who say it's a bad spring. |
#39
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I'm trying to figure out how it's a weak slide stop spring, since the spring helps hold the slide stop down, not up. If you replace the slide stop spring, it would increase tension pulling down on the slide stop and make the problem even worse.
With that said, most pistols do this. I notice it more with pistols with shallow notches in the slide for the slide stop. It seldom happens to me with 1911's or older pistols with deep notches... |
#40
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Oh hell. I was typing the same thing when you posted this.
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