Need help from 1911 expert.

All right gentlemen sorry I have not posted more been real busy at work. As to the mags all four work in my other 6 1911's. The Olympic Arms 1911 Cohort (commander sized) I bought has a weird spring set up it has a full length guide rod with multiple springs and a Hex type screw holding it all together also the back end of the guide rod is different than any I have ever seen. The whole gun is super tight like you would see in very high end gun like Les Baer. I love this pistol it fits my hand like a glove. Any way as soon as I can get it to a smith I will have some custom work done to include a reliability package, a bobtail and a tritium front sight. Also thank you all for your responses I appreciate all of them. I was thinking that the problem might be an easy fix but probably not.
 
I was thinking that the problem might be an easy fix but probably not.
You really owe to yourself to at least give a try before you turn it over to a
gunsmith,The proposed solutions are not hard to implement and require no tools
a pair of extra power mag springs will not set you back that much and only
improve their performance anyway.And as to checking the rim pressure the
process is very similar to testing trigger pull weight I use a simple method which
I posted here before,the last time time though some pharmacist gave me a hard
time about apothecary weights or something and I'm not about to get into that
again.Good luck
 
I will attempt the fixes but it's still going to the smith for the stuff I mentation in my last post. I also polished the feed ramp and the rails. Just a little Mothers mag polish smooths things right up.
 
In defense of eight round magazines, I have four Chip McCormick ones, that are nearly twenty years old.
They still have their original springs and have had many, many thousands of rounds through them.
And they just work.
Not only in mine, but for many others that I've loaned them to.
(New folks at the matches never seem to have enough mags for those long courses of fire).
 
It jams with Colt mags too?

We have a local cop whose 1911 jammed consistently. He used Chip McCormick mags exclusively. When the mags were swapped out for 7 rd Colts and GI mags, it fed and fired flawlessly.
 
Since the gun jammed with several magazines, it might not be the magazine. That slide caught the extractor groove in the round it is trying to feed. That usually indicates that the slide did not recoil far enough to catch the rim and caught the groove instead as the round tried to rise.

That would point to a possible ammo problem or a too strong recoil spring. You say the gun is "super tight" and that could also slow down the slide and cause it to stop too soon. If that is the case, the gun might "break in" but I have no way to say how long that would take unless you work it manually or use an abrasive to loosen it up.

Jim
 
Polish the feed ramp?....

I'm not quite sure if it would help but it couldn't hurt, ;).
A pistolsmith can polish the feed ramp. That can help with feeding/cycles.

Clyde
 
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