Springfield 1911 Help

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ES175

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I was shooting my 1911 tonight and after about 30 rounds the slide jammed back and it could not be pushed forward. After making sure the gun was safe and trying everything I gave the end of the barrel a good rap backwards and then the slide went forward. I stripped the gun down and couldn't see anything obviously wrong, but the slide still jams back. It is almost as if it is going back too far and jamming on the barrel somehow.

Any ideas??
 
When you put the gun back together, did you make sure that the mag catch pin properly meshed with the barrel lug? Im not even sure im wording it properly but that rod peice of the mag catch that goes through the gun should pass through the loop part thats attached to the barrel . Just a shot in the dark here. :)
 
I think I figured it out. My barrel is bulged towards the rear and it is binding on the bushing when the slide is at the rear of its travel. I had fired what sounded like a squib load. I unloaded the gun and checked the barrel with my rod for a lodged bullet and there was nothing in the barrel. I took the gun apart at the range and checked it. I found if I turned the buffer, which is pounded up pretty good, around that it worked for a few rounds then started sticking again. When I was cleaning up the range after giving up, I found a bullet that looked like it hit the concrete floor as it is all ground off on one side. I think this was my squib round. When I got home I tried a few things and I found if I only cycled the slide as far as the lock notch it worked but when I went past it I could see the barrel being forced upwards against the slide. I looked down the bore and I could see a ring. I miked the barrel and it is bulged about .003". I can't for the life of me figure out how a squib can bulge the barrel and I have thought about what I did about 10 times and I know I checked the barrel after the round.

Next question, does anyone know where I can buy a barrel assy in Canada?
 
It's a defender that is all tuned up. I bought it used and I have had it about 1 1/2 months now and with the exception of replacing a worn out extractor it has worked flawlessly. I am new to pistol shooting and this is my first pistol.

I noticed that the ring in the barrel had a lead build-up which I cleaned out. I chucked the barrel up in my lathe and polished the bulge down and the action now cycles OK. I have to wonder if the squib load didn't leave the lead deposit and then when i fired the next round that it caused the barrel to bulge a bit. If I ever get another one I will strip the gun down and check the barrel before I fire it again.

I guess I will email Armco and see if I can get a barrel.
 
I am not a gunsmith but I cannot see how a squib load would bulge the barrel. It takes a lot of force to bulge one & a squib load does not have anywhere near that kind of pressure.
Just a guess but I would say that the the bulge was there before. Unless you are firing very hot loads try leaving out the buffer for a while.
You also said that the extractor is worn out. I just read an article that says that extractors rarely break & don't wear out. Are you sure it is " worn out " ?
 
I can understand shooting after a squib load has plugged the barrel could bulge it because the next round cannot go out of the barrel but I have never heard of one actually itself causing the bulge.
But I learn something every day .
 
I checked the barrel for obstructions before I shot it again. I think the bullet I found was the one from the squib load and there is nothing to indicate that another bullet hit it from the rear. The bulge is in the area where the barrel bushing supports the barrel when the slide is right back. The barrel is machined in this area to same dia as the front of the barrel where it fits the bushing. The bulge was very slight. Would it be OK for use with 4gr Buulseye and 200 grain SWC bullets? I checked the barrel OD with a microscope and there are no cracks.
 
In my opinion ( which may not be much ) I would not use any barrel that I did not trust 100%.
Having seen a gun let go a few years ago ( from a bad reload ) and seen the damage it can cause, why take a chance.
 
Thanks for the help. Gunnar at Armco has barrels, new one to be ordered. I will pay more attention to my powder charge from here on in and confirm the proper amount goes into the cartridge case every time. The round that screwed up my gun was from my first ever 50 reloads. Lousy way to learn a lesson. Oh well, no pain no gain.
 
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