1911 failing to return to battery by 1mm

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Hello all,
So I have tried my best to identify and fix the problem of my gsg 1911-22, but this keeps occurring every fifteen to twenty rounds and I am just stumped. After a shot, it properly ejects the spent casing and loads the new round, but the slide just doesn't fully lock in, and sticks out just the smallest amount, making me push it forward with my thumb. It takes no force, and other than that this pistol is amazing. Was using it at 35 yards at the range and if I can work out this reliability issue, I know I can do better.
It has the ZRTS package installed, polished feed ramps, polished rails, it's oiled but not collecting gunk, the disconnecter has been polished down a bit as it was making the slide stick at the back end occaisonally, and this gun shoots the cheap subsonic, wildcats, hi velocity and plain old federal great everytime.

Any advice is much appreciated, this just has me stumped!
 
I had the exact same problem.The cure for my pistol was to use Mil-Comm TW25b grease on the rails.This is a light white grease that works great and doesn't seem to collect any debris..
 
I would try to stretch the recoil spring slightly. This will give you a little extra power on the return, the solution ought to work only temporarily as the spring will eventually settle back to it's original configuration.

If your gun is new, or you have installed a new buffer pad, it's the added resistance on the slide that is causing your grief. Good news though, it just needs to be shot more to wear it all in:).


yea...try factory ammo. those double charged home rolled .22's will be he11 on the GSG {Kaboom} f:P:
 
Thanks to all who replied, glad I am not the only one!
The buffer from the ZRTS kit is certainly firm, might order a dlask set, or see about wearin this one in a bit more, and that grease looks like a great addition to my gun cabnet thanks!!
 
plinker 777 said:
I would try to stretch the recoil spring slightly. This will give you a little extra power on the return, the solution ought to work only temporarily as the spring will eventually settle back to it's original configuration.

If your gun is new, or you have installed a new buffer pad, it's the added resistance on the slide that is causing your grief. Good news though, it just needs to be shot more to wear it all in:).


yea...try factory ammo. those double charged home rolled .22's will be he11 on the GSG {Kaboom} f:P:
Click to expand...

Before you roll your eyes too much about the .22 comments you should maybe take a breath and realise that your spring solution is just about as silly. You can't make a spring of a given length stiffer by stretching it and then squishing it back into the same length. You could make the spring stiffer by reducing the number of coils over a given length yes but your suggestion is not correct. For a given length and gauge of wire a spring with fewer coils will be stiffer than a spring with more coils. The other problem with your siffer spring solution on a 22 1911 style gun is that the round will likely not have the recoil to overcome this stiffer spring and you are no closer to a closed breach. Having a GSG I would suggest reducing friction first.

You are correct about the buffer pads in some instances. I machine up my own a bit under the stock OD to reduce this problem. Truth is my SIG branded GSG works far better than my brother's GSG and you can see the quality difference between the guns.
 
Do you have any lead buildup in barrel? I shot a box of unjacketed and thought my barrel came out when cleaning it. Turned out to be a perfectly cylindrical lead deposit.
 
fdc said:
Before you roll your eyes too much about the .22 comments you should maybe take a breath and realise that your spring solution is just about as silly. You can't make a spring of a given length stiffer by stretching it and then squishing it back into the same length. You could make the spring stiffer by reducing the number of coils over a given length yes but your suggestion is not correct. For a given length and gauge of wire a spring with fewer coils will be stiffer than a spring with more coils. The other problem with your siffer spring solution on a 22 1911 style gun is that the round will likely not have the recoil to overcome this stiffer spring and you are no closer to a closed breach. Having a GSG I would suggest reducing friction first.

You are correct about the buffer pads in some instances. I machine up my own a bit under the stock OD to reduce this problem. Truth is my SIG branded GSG works far better than my brother's GSG and you can see the quality difference between the guns.
Click to expand...

The quality diffence in the gun itself is the paint job....that's it. Every single part of a GSG and SIG GSG is identical.
OP likely has an issue do to the after market parts. Mine (GSG) has run great since I bought it, but it is bone stock other then grips and MSH. Dlask buffers are too big BTW and cause their own problems. Work fine after they are trimmed to size. I stick to 1/4 plumbing washers myself....cheaper and a little more spring to them.
 
Hitzy said:
The quality diffence in the gun itself is the paint job....that's it. Every single part of a GSG and SIG GSG is identical.
OP likely has an issue do to the after market parts. Mine (GSG) has run great since I bought it, but it is bone stock other then grips and MSH. Dlask buffers are too big BTW and cause their own problems. Work fine after they are trimmed to size. I stick to 1/4 plumbing washers myself....cheaper and a little more spring to them.
Click to expand...

I would have to disagree with you about the paint job being the only difference. Having both guns and having pulled them both apart to the last pin, spring screw I can say that the SIG version has a higher "finish" to every component. By finish in this instance I mean the quality of the machining and deburring and polish of the metal components. I don't disagree that the guns are the same, I do believe that the SIG is built to a better manufacturing standard and the way the two guns operate would indicate this as well.

And for sure I agree with you that the paint finish on the two guns is different!
 
alpining said:
Very much worth checking, whether lead or just "normal" fouling. A dirty chamber or throat is probably the most likely culprit.
Click to expand...

Would you explain how the above would cause the symptoms the OP described? I don't get it. By "throat" do you mean "feed ramp"?
 
This occurred with my sig version as well. Once I pulled the dlask buffer and reinstalled the stock one, it went away. Try your stock buffer and make sure your rails are free of paint. I shoot a couple-few hundred every outing now without issue that isn't bulk ammo related.
 
Give it a really good bath and change ammo. Assuming it's giving you the grief with just one brand. .22's require trying a box of as many brands as you can to find the one or two that the pistol will both shoot well and cycle the action.
 
fdc said:
Before you roll your eyes too much about the .22 comments you should maybe take a breath and realise that your spring solution is just about as silly. You can't make a spring of a given length stiffer by stretching it and then squishing it back into the same length. You could make the spring stiffer by reducing the number of coils over a given length yes but your suggestion is not correct. For a given length and gauge of wire a spring with fewer coils will be stiffer than a spring with more coils. The other problem with your siffer spring solution on a 22 1911 style gun is that the round will likely not have the recoil to overcome this stiffer spring and you are no closer to a closed breach. Having a GSG I would suggest reducing friction first.

You are correct about the buffer pads in some instances. I machine up my own a bit under the stock OD to reduce this problem. Truth is my SIG branded GSG works far better than my brother's GSG and you can see the quality difference between the guns.
Click to expand...

Hey, before you correct me on rolling my eyes perhaps you should use yours which I'll assume are attached to your brain...where did I state making the return spring "stiffer"!? I'll await an apology without pompous attitude. And BTW, the GSG and SIG are made in the same manufacturing facility and share components...or so I'm told.
 
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