No worries. I was torn on chest mount pistol until I built this rig. You can easily draw your sidearm and shoulder your primary. If you're thinking a different config. let me know.
http://i141.photobucket.com/albums/r...G/DSC_3872.jpg
http://i141.photobucket.com/albums/r...G/DSC_3877.jpg
http://i141.photobucket.com/albums/r...G/DSC_3878.jpg
chiken wing for reference.