It has not happened again and I have been watching how I sit in the car seat. I think it was just an issue with me wiggling around too much against the seat belt latch. I have a bad lower back and move around a lot on longer trips. Thanks for asking.
Thank you for the Rep, it's much appreciated. Baer has a new pistol out called the Ultimate Tactical Carry (http://www.lesbaer.com/1911UltTact.html), it is set-up just like the TRS, only it cost less, might be something for you to look into.
Crazy John at 1911 Heaven has them on sale currently. http://www.cj1911heaven.com/
Thanks for the rep! And you still need to come see me! If you haven't already seen a GSG 1911/22 up close, you gotta take a look at them. You'll be righteously impressed!