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View Full Version : Glock 23 slam fire?


tomtom7
01-17-2011, 4:43 PM
I just purchased a used glock 23 and used it at the range for the first time yesterday. The mag was loaded and with one pull of the trigger it fired two rounds. Thinking I made a mistake I tried it two more times and it did the same thing, fired two round with one pull of the trigger. Does anyone know what the problem may be? I found 'slam fire' when searching but don't know if its it our not, any help here would be great.

-Thomas

RollingCode3
01-17-2011, 4:45 PM
That is not slam fire. Take the gun completely apart (detail strip) and clean every thing Or let a glock armor take a look at it.

1911Operator
01-17-2011, 5:19 PM
wow, 2 round burst! cool :D :Ivan:

cj cake
01-17-2011, 5:37 PM
Does it fire once when the trigger is pulled to the rear, or are both discharges happening at this point? If you hold the trigger back after you press it, then, as you slowly and deliberately release pressure to reset the trigger, will it fire a second time during the reset?

locosway
01-17-2011, 5:39 PM
Have an armorer look at it, the last thing you want is a discharge while out of battery.

swifty
01-17-2011, 5:43 PM
Possibly dirty, possibly it has had a trigger job by someone with no knowledge.

No ammunition - Remove the mag.

Rack the slide, pull the trigger and hold it to the rear. Rack the slide again, don't be gentle. Did the gun hold cock or did it fire? If you are not sure if it fired just release the trigger and pull again.

If the gun is dirty it's an easy fix, if parts are needed they are relatively inexpensive.

Corbin Dallas
01-17-2011, 5:44 PM
I just purchased a used glock 23 and used it at the range for the first time yesterday. The mag was loaded and with one pull of the trigger it fired two rounds. Thinking I made a mistake I tried it two more times and it did the same thing, fired two round with one pull of the trigger. Does anyone know what the problem may be? I found 'slam fire' when searching but don't know if its it our not, any help here would be great.

-Thomas

Have a glock armorer look at it.

wu_dot_com
01-17-2011, 5:44 PM
check the sear and hammer hook to see if its rounded off. check your trigger disconnctor to see if a tab is broke off or warn down. check the sear spring to see if its install properly or does it provide sufficient force to keep the sear in place.

cj cake
01-17-2011, 5:54 PM
http://www.calguns.net/calgunforum/showthread.php?t=282409&highlight=glock+23

It might be the firing pin safety spring!

erratikmind
01-17-2011, 6:03 PM
Hmm . . . Perhaps, the previous owner got carried a way with a trigger job and over polished the connector, trigger bar, and the firing pin safety . . . May have removed too much material. Just a guess.

tomtom7
01-17-2011, 6:32 PM
Thanks for all advice, when I get home I will try the dry firing and see if it fits twice when releasing the trigger and racking the slide again. I have a glock 17 I'm going to compare it to although on that one I installed a 3.5 trigger. When I brought it home it was really clean, so I did a normal cleaning, but maybe it has build up or something in the slide, plan on completely stripping it tonight. I will post an update of how it goes, thanks again everyone and sorry for the typos, been some work typing all of this on my cell lol.

G-forceJunkie
01-17-2011, 6:37 PM
Sounds like the rear kickup on the trigger bar to striker lug interface is not enough, or someone rounded the edges over trying to polish it. Have a Glock armorer look at it, this amount of engagment is one of the checks we do. Glock makes trigger bars with a higher kickup if this engagment is not enough.

sequoia_nomad
01-17-2011, 8:26 PM
check the sear and hammer hook to see if its rounded off. check your trigger disconnctor to see if a tab is broke off or warn down. check the sear spring to see if its install properly or does it provide sufficient force to keep the sear in place.

Hammer hook? You know what a Glock is, right?

HighLander51
01-17-2011, 8:32 PM
check the sear and hammer hook to see if its rounded off. check your trigger disconnctor to see if a tab is broke off or warn down. check the sear spring to see if its install properly or does it provide sufficient force to keep the sear in place. ????

Glocks don't have sears, or hammers, or hammer hooks, or sear springs. What the hell are you talking about?

OP, if your G23 is doubling, someone, probably some dumb *** who knows nothing about Glocks, like someone who thinks they might have a sear engagement, has screwed around with it. Take it to a Glock armorer, or put in a new STOCK trigger group and stock connector, stock trigger reset spring, stock striker and spring, and stock safety plunger and spring. Clean the striker bore and spot face while you are at it. Some aftermarket triggers have adjustable stops that limit forward and aft resets. They are really easy to screw up if then original installer thinks they are a sear and hammer group like a 1911 has!

JTROKS
01-17-2011, 8:32 PM
Hammer hook? You know what a Glock is, right?

He meant the thingy that holds the thingamajig when it's like that. Dig?

Corbin Dallas
01-17-2011, 9:18 PM
check the sear and hammer hook to see if its rounded off. check your trigger disconnctor to see if a tab is broke off or warn down. check the sear spring to see if its install properly or does it provide sufficient force to keep the sear in place.


I think he's referring to this diagram of how a glock works...

http://i82.photobucket.com/albums/j263/Manwithplann/howaglockworks.gif

tomtom7
01-18-2011, 8:24 PM
Hey everyone, so I started with the advice from cj cake and swifty to test it by dry firing and see what it does. All done without ammo - dry fire: I got it to fire twice every time by pulling the trigger and holding it back then racking the slide and when releasing the trigger it would fire again.

It turned out to be the firing pin safety spring. When I stripped the slide I found it sideways. After cleaning the slide thoughly and assembling it, I tested it doing the same method dry firing it. Now it works exactly as my other Glock does. I will be taking it down to the range soon and find out for sure.

And glad to hear the ammo law was struck down


Thanks again to all who responded,
-Thomas.

Stormfeather
01-18-2011, 9:57 PM
Hammer hook? You know what a Glock is, right?

Hammer hook. . . its that thing on the shoulder that goes up right?

AR23C
01-18-2011, 10:09 PM
ILL TAKE IT IF YOU DONT WANT IT ! IAM SURE IT WILL WORK IN MY HANDS ;

sfguyhere
01-18-2011, 10:36 PM
I'm with locosway on this. . . be very careful . . .

1. If you have an out of battery ignition, it may hurt some bad . . . you could loose an eye or worse. . . and shallow chicks don't like guys with one eye.

2. A range master or eye witness, may call the police and it could get confused into an auto situation, which may be a felony and prohibit you from ever using a firearm again. Having said that, i'm sure if an officer showed up, they would understand that you recently purchased the firearm with that defect and you'll fix it immediately... but, do you really want to be put in that situation?

I'd be more concerned with number 1, since I like my hands and face the way it is.

* p.s., i'm sure it was pretty cool though !