1911 closing when mag goes in

leveractiontodd

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I had my new norinco 1911 out for first time today which worked quite well except when you hit the mag in it sometimes closes the action. The slide lock is going all the way up. If you leave the mag out and hit the butt with the palm of your hand you can watch the slide stop work it's way down
 
Glocks, S&W MP9s and a few other modern guns are known to have the slide drop when a fresh mag is forcefully inserted. Saves time on racking the slide. I've personally seen it on M&Ps but never with my own Glocks although I've seen other Glocks do it. I've never seen a 1911 do it as I don't think whatever technology that allows a slide to drop on a loaded mag existed when the 1911 was designed.
If you can see the slide stop slowly sliding down when you repeatedly bang the butt of your Norc, then it is most likely a "Norc" factor. I'm doing it now with my 1911 and it stays locked.
 
its probably because its a sub-par design....have you thought about switching to a glock?
Laugh2 No comment, or at least what I can say here without being banned

Glocks, S&W MP9s and a few other modern guns are known to have the slide drop when a fresh mag is forcefully inserted. Saves time on racking the slide. I've personally seen it on M&Ps but never with my own Glocks although I've seen other Glocks do it. I've never seen a 1911 do it as I don't think whatever technology that allows a slide to drop on a loaded mag existed when the 1911 was designed.
If you can see the slide stop slowly sliding down when you repeatedly bang the butt of your Norc, then it is most likely a "Norc" factor. I'm doing it now with my 1911 and it stays locked.

If any of my pistols did that they would be sent for warranty or sold immediately

Fast reloads should always be controlled, if you slam a mag in and the slide is open, too many things can happen especially a round works its way loose causing a malfunction. If the object is how to clear a live round due to a missfeed then you are going in the right direction. Only way safely to do a reload is to have a round in the chamber and you can slam the mag in as hard as you like.

OP, the problem you are having is 1 of 2 things, either the indent on the slide where the slide stop engages is no square and sharp, or the flat side of the slidestop is rounder off for some reason. Se if you can have someone lend you another slidestop and see if it still does the same thing.

Sounds like the OP is new to the sport, fast reloading should be the least of his concerns.
 
Laugh2 No comment, or at least what I can say here without being banned



If any of my pistols did that they would be sent for warranty or sold immediately

Fast reloads should always be controlled, if you slam a mag in and the slide is open, too many things can happen especially a round works its way loose causing a malfunction. If the object is how to clear a live round due to a missfeed then you are going in the right direction. Only way safely to do a reload is to have a round in the chamber and you can slam the mag in as hard as you like.

Sounds like the OP is new to the sport, fast reloading should be the least of his concerns.

Madcow,
I have never heard of the slide dropping on a fresh mag either until I saw it happen to my friend's MP9. It only happens when you slam a mag in hard and only happens sometimes. I just watched a Gabe Suarez video where his G17 did it twice on film and surprised him also.
I read a thread here about a year ago on this issue and apparently it is quite common, at least for Glocks and MP9s to do it. I have never seen it claimed as a design feature in any instruction manual so I don't know if its a goal of the designer or not. IPSC guys seem to like it as it saves a second in racking the slide!
 
Madcow,
I have never heard of the slide dropping on a fresh mag either until I saw it happen to my friend's MP9. It only happens when you slam a mag in hard and only happens sometimes. I just watched a Gabe Suarez video where his G17 did it twice on film and surprised him also.
I read a thread here about a year ago on this issue and apparently it is quite common, at least for Glocks and MP9s to do it. I have never seen it claimed as a design feature in any instruction manual so I don't know if its a goal of the designer or not. IPSC guys seem to like it as it saves a second in racking the slide!

That's my point, it is NOT designed to drop on its own, what happens if the top round is loose, it will not chamber properly, and you are now clearing a jam.

In IPSC if you gun is dry, or locked back, its too late already. Regardless a decent competitor has his pistol modified to no lock open as you should NEVER run your gun dry.
 
In IPSC if you gun is dry, or locked back, its too late already. Regardless a decent competitor has his pistol modified to no lock open as you should NEVER run your gun dry.
Thanks for the clarification. Glad my guns don't do it!
I shoot IDPA, not IPSC. In IDPA, you can do a tactical reload but you are penalized if you don't pick up a mag that still has rounds in it. You also cannot reload on the move so most of us just shoot dry then reload before leaving cover. You are allowed to drop empty mags without penalty, just not ones with ammo still in it.
 
As the OP noted, the slide stop notch is angled, it should be at 90 degrees. It is a Manufacturing defect. It can be corrected with a carbide cutter in a Dremel, but unless you have done it before, it would be best left to a skilled operator.

Dr Jim
 
I can drop the slide on most of my 1911's if I hit it right.

I constantly do it with my Glocks but I never rely of this at any time, Murphy rules.

X2. 9mm and .45 Norc 1911's slam shut when I insert magazine with authority.

Ruger P89 I can say also slams shut into rock and roll mode when a mag is driven home.
 
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