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Old 12-09-2011, 09:14 PM
frank_drebin frank_drebin is offline
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[How To] remove mag disconnect for cleaning or maintenance [How To] remove mag disconnect for cleaning or maintenance [How To] remove mag disconnect for cleaning or maintenance [How To] remove mag disconnect for cleaning or maintenance [How To] remove mag disconnect for cleaning or maintenance  
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Default [How To] remove mag disconnect for cleaning or maintenance

I have seen a lot of people ask about the magazine disconnect on third gen models. This short pictorial shows you how to remove it for cleaning or maintenance.

Warning, if you forget to put these parts back in the gun the magazine disconnect feature will be disabled and the gun will be able to fire with the magazine removed.






Last edited by frank_drebin; 12-09-2011 at 09:33 PM.
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  #2  
Old 12-09-2011, 10:33 PM
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I hope you put a little Loctite® Threadlocker Blue 242® (soft set type) on the screw to keep it from coming loose! The first two threads...
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Old 12-09-2011, 11:55 PM
frank_drebin frank_drebin is offline
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[How To] remove mag disconnect for cleaning or maintenance [How To] remove mag disconnect for cleaning or maintenance [How To] remove mag disconnect for cleaning or maintenance [How To] remove mag disconnect for cleaning or maintenance [How To] remove mag disconnect for cleaning or maintenance  
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Quote:
Originally Posted by Shadow1006 View Post
I hope you put a little Loctite® Threadlocker Blue 242® (soft set type) on the screw to keep it from coming loose! The first two threads...
I use a dab of blue on the threads. Never had one back out yet. The rear sight on my 3rd Gens are as difficult to move as any Glock I've ever moved even with the set screw backed out.

My 908 has a plastic rear sight tough. I can move it with my fingers. I had to locktite in place.
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Old 12-10-2011, 12:09 AM
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[How To] remove mag disconnect for cleaning or maintenance [How To] remove mag disconnect for cleaning or maintenance [How To] remove mag disconnect for cleaning or maintenance [How To] remove mag disconnect for cleaning or maintenance [How To] remove mag disconnect for cleaning or maintenance  
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Frank, it was just a reminder of sorts...others reading too!
BTW thanks for posting the pictures!
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Old 12-10-2011, 11:53 AM
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Ok, now I'm really confused. I thought the mag disconnect safety was in the frame somewhere. How does something in the slide affect something in the frame? Not tryin' to be a wise-***, just confused.
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Old 12-10-2011, 12:04 PM
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Just a quick reply I'm sure someone else will be along with a better description....You may be thinking about M&P's with the mag disconnect feature built into the sear block located in the frame. On the 3rd gen pistols that plastic plunger and spring that frank pictured pushes against a lever on the frame when the magazine is out allowing it to lock the....here's where someone else can take over....
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Old 12-10-2011, 12:11 PM
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Thanks for the pics, FD.

Good way to approach this topic.

Dave
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Old 12-10-2011, 12:17 PM
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The magazine needs to contact a lever in the frame to push up on the mag safety in the slide.

If the mag is not present the mag safety (spring pushing it down into safe possition) blocks the release of hammer and firing pin.

When the magazine is present the lever raises the plunger to allow the gun to fire.
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Old 12-10-2011, 03:11 PM
frank_drebin frank_drebin is offline
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Quote:
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Thanks for the pics, FD.

Good way to approach this topic.

Dave
Can't have people running around with dirty mag disconnects now can we?
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Old 12-10-2011, 05:40 PM
hdguy hdguy is offline
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Can the mag disconnect be left out without effecting any other function?
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Old 12-10-2011, 06:43 PM
frank_drebin frank_drebin is offline
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Can the mag disconnect be left out without effecting any other function?
/lightbulb

Sent from my SAMSUNG-SGH-I897 using Tapatalk
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Old 12-10-2011, 06:57 PM
hdguy hdguy is offline
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Okay, okay, I know. I just wanted to make sure I fully understood.
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Old 12-10-2011, 10:47 PM
SG-688 SG-688 is offline
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Just to quibble ... the plunger in the slide pushes down on the ejector/disconnect lever, which in turn pushes the trigger bar away from the sear/hammer. The FP and hammer are not blocked.

Take off the slide and push down the ejector to see the action.

As always - my hobby horse: If your finger is on the trigger, the plunger spring is not strong enough to push the trigger bar out of engagement. The pistol will fire a round in the chamber without the magazine.
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Old 12-10-2011, 10:58 PM
Sauergrapes Sauergrapes is offline
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I'm going to take mine out and maintain them right away...lol
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Old 12-10-2011, 11:55 PM
frank_drebin frank_drebin is offline
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[How To] remove mag disconnect for cleaning or maintenance [How To] remove mag disconnect for cleaning or maintenance [How To] remove mag disconnect for cleaning or maintenance [How To] remove mag disconnect for cleaning or maintenance [How To] remove mag disconnect for cleaning or maintenance  
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Quote:
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Okay, okay, I know. I just wanted to make sure I fully understood.


..........

Last edited by frank_drebin; 12-11-2011 at 05:24 PM.
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  #16  
Old 01-24-2012, 12:36 AM
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ah this explains why it mentioned this on the instal directions for the MMC sight on my fathers 39, its just below the rear sight then.
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Old 03-05-2012, 02:00 PM
frank_drebin frank_drebin is offline
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[How To] remove mag disconnect for cleaning or maintenance [How To] remove mag disconnect for cleaning or maintenance [How To] remove mag disconnect for cleaning or maintenance [How To] remove mag disconnect for cleaning or maintenance [How To] remove mag disconnect for cleaning or maintenance  
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Quote:
Originally Posted by Kavinsky View Post
ah this explains why it mentioned this on the instal directions for the MMC sight on my fathers 39, its just below the rear sight then.
Yep, that spring will go flying if you press the sight over without blocking it.
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Old 03-06-2012, 06:51 PM
edberry edberry is offline
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Are MMC rear sights still available for model 39's??
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Old 09-05-2012, 05:13 PM
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Thank you Frank Drebin (love the movies) for the informative pictorial.

I just got my hands on a S&W 457. Now for the quest of IWB holster that won't cost more than the gun.
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Old 09-09-2012, 10:10 PM
Glenn H Glenn H is offline
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Default Thanks, worked a treat

Went well with the instructions. One thing, on my 1006 there is an inset bar under the sight that covers both springs, left and right. had to push the sight completely off the slide to get the plunger out for maintenance.

Still and all, on of the simplest and 'manager proof' bits of guidance I've seen.

Gracias
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