I typed up the above post around 5:30 but forgot to post it. LOL Anyway, just got in from shooting about 38 more rounds through it and it ran fine. Just as good as it did with the spring in backwards. I'll run it some more this weekend but sofar, great!
I changed to Wilson Combat magazines that I had from another gun and the new ETM ones I bought, I now have not had any problems...
I also found that the X-Grip adapters will work with the Wilson magazines, I had to trim a little bit off of the front plastic part of the grip panel 1st, after that they slide in fine... X-Grip says that they will only work with ACT or Mec-Gar magazines, but I proved that wrong, you just need to modify the Wilson Combat mags a little...
You will se that I gave Greg Cote's website... I have had real good luck with him and dealing with him is real easy... I have found his prices are even cheaper than my dealer pricing at Midway and Brownells...
I'm back with an update;
I took my pistol to the range a few weeks ago, and put 150 rounds through it. No problems. My wife fired it about 30 times, she too likes it. She might take it over and force me to get another piece...lol.
If you notice the avatar I also have a Lou Horton 3" I also have a E SC round but I have run Chip McCormick and Wilson and had problems with both the ACP's run fine. One of these days I will try some of the Tripp's I have heard good things about them. Both of mine will pitch a brass at my forehead every 2nd or 3rd mag. but that has almost stopped now so the ejector is getting wore in better now. I love the 3" it is more accurate than the Sc. I got a Girsan 5" to play with it is as accurate as the 3" and takes any mag. Of course I walk lop-sided when I carry it. I m not to large so I prefer small guns. I hate to say it but I got a Glock 30s and it is the most accurate gun I have. I put an external safety on it and carry it a lot. However I still love my 3".
Have now passed 3500 rounds in only a few months of ownership without a failure. Have been a 1911 fan since the early 1960s and can almost disassemble / assemble in my sleep. A quality product I've learned to trust. A bit more expensive than some, but worth the investment.
I bought one of these pistols last week. At first, things looked rather uncertain with the slide failing to return to battery on the last round. Checked the recoil spring and it was in the wrong way, switched it around and now it runs fine. With ball ammunition.
This week will be the test with HP and whatever other dregs of boxes I can find to throw into it, but I am as pleased with the little 1911 as I am reassured about modern Smith & Wesson products. Now to get some new magazines to replace those ones with the dreadful bumper pad and some nicer grips, and I'll be set.