Plenty of manufacturers make very reliable guns. However, even the very best have sent a turd out the door. It happens. They all have Customer service numbers for such issues.
I think that Steve 1911A1 might be on to something about your technique. Either way, it's worth eleminating. Have an experienced pistol shooter have a go with and see if the problem persists.
Ammo: If your talking Wal-Mart Federal, I found it to be on the mild side, & not especially accurate. However, I never had any functional issues with it. Spring for at least Winchester White Box, I found it to be noticeably better.