After putting the gun away and thinking about it for a while I decided to go ahead and cut the slide stop. 

I took Greg’s suggestion and cut out the little retaining pin holding the tab to the larger pin. After I cut it out I still needed to use a punch to separate the larger pin from of the tab. If I had it to do over I would have tried using the punch earlier on. I may not have needed to cut as much as I did.
Here is the slide back on and no pressure being applied. You can see I only need to retract the slide a quarter inch for the pin to go through the opening in the barrel lug.

I think what happened was, I tried to put the pin in by lining up the notches. You can see in this position that the front of the barrel lug is centered in the opening.

I imagine I was trying to work the pin in and pulled back the slide a little more which put the lug completely behind the opening and allowed the pin to easily go in. I then compounded the error by pulling the slide back even farther so the flange went in through the slide-stop cut-out.
I tried putting the pin in wrong again and it was all too easy to do. Except for pulling the slide back so far, it took no more effort than if I had done it the right way. It’s the little flange on the tab that caused the problem. It was catching on something when I tried to retract the slide, although I couldn’t tell what. With just the pin in I could pull the slide all the way back. I don’t see any damage.

I may not even replace the slide stop unless I start carrying it again. The pin and tab still have a tight fit. I had to use the punch to get them apart again after I replicated the problem. I think I might just put some JB Weld on it.
I decided to do this since I was confident I hadn’t damaged anything by forcing the pin in. I have fired the gun and it does fine. I have no explanation for why this can’t be duplicated by others. Thanks for everyone’s help. I hope my experience helps someone in the future.


I took Greg’s suggestion and cut out the little retaining pin holding the tab to the larger pin. After I cut it out I still needed to use a punch to separate the larger pin from of the tab. If I had it to do over I would have tried using the punch earlier on. I may not have needed to cut as much as I did.
Here is the slide back on and no pressure being applied. You can see I only need to retract the slide a quarter inch for the pin to go through the opening in the barrel lug.

I think what happened was, I tried to put the pin in by lining up the notches. You can see in this position that the front of the barrel lug is centered in the opening.

I imagine I was trying to work the pin in and pulled back the slide a little more which put the lug completely behind the opening and allowed the pin to easily go in. I then compounded the error by pulling the slide back even farther so the flange went in through the slide-stop cut-out.
I tried putting the pin in wrong again and it was all too easy to do. Except for pulling the slide back so far, it took no more effort than if I had done it the right way. It’s the little flange on the tab that caused the problem. It was catching on something when I tried to retract the slide, although I couldn’t tell what. With just the pin in I could pull the slide all the way back. I don’t see any damage.

I may not even replace the slide stop unless I start carrying it again. The pin and tab still have a tight fit. I had to use the punch to get them apart again after I replicated the problem. I think I might just put some JB Weld on it.
I decided to do this since I was confident I hadn’t damaged anything by forcing the pin in. I have fired the gun and it does fine. I have no explanation for why this can’t be duplicated by others. Thanks for everyone’s help. I hope my experience helps someone in the future.
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