Alright,
Quick question here.  If I get my Colt 70 (or SA GI) smithed and have an action/reliability  job done by a good smith, will the pistol still ding up the brass if I don't have the ejection port lowered and flared?  

For some reason, I thougt that if the action were to be adjusted and working properly, it wouldn't.

Thanks
Rich

To my understanding all 1911's with the original high walled ejection port ding the brass no mater what other mods you have done. AFAIK, lowering the port is the only way to prevent this. If I'm wrong someone will be along shortly to set the record straight.

Why the concern over dinged brass if, if I may ask?

Quoted: Why the concern over dinged brass if, if I may ask?

Makes it a PITA for reloading

Really?  How bad are the dings?  I've never had any issue with dings on my 550.  The resizing die removes most of the ding in the first stage.

really?  Cool.  I don't reload yet, but I was under the asssumption that it made reloading a pain.  I would think though that it would weaken the brass.

No, the extractor/ejector can be "tuned" to throw the empties out thru the center of the port & avoid dings.

However:

a) Dings don't hurt the ability to reload the case
b) A lowered port will be slightly more reliable (less "stovepipes")

Quoted: really?  Cool.  I don't reload yet, but I was under the asssumption that it made reloading a pain.  I would think though that it would weaken the brass.

Not at all.  45 acp isn't a really high pressure round anyway, and the resizing die can fix some pretty bent up cases.

Wooohoooo!!!!!!!!!  Thanks for the good news guys!  

No matter what you get done to the ejection port, make sure the gun will eject a loaded round from the chamber with a loaded mag inserted. This is extremely important as I recenly found out when I was trained to perform malfunction clearances. Sometimes you need to get a round out of the chamber that will not fire in a hurry. My Colt would always get the loaded cartridge hung up as it was trying to get out of the port. That is why you see that small crescent cut at the front of Series 80 guns. Mine had that cut, but it was still not adequate to clear the round. In needs to have a little more metal removed. Both of my series 80 Colts did the same thing. My Springfield loaded does not have this problem. I can hand cylcle whole mag of 230gr FMJs through the gun.

My Colt compact doesn't leave any dings on the brass. I reload so I see alot of it. My SA with a lowered and flared ejection port doesn't touch them either. What I like about the lowered flared port is that it ejects hard right at the level of the gun and back rather than u[p and forward as my Colt does...plus it looks cool.