This was just brought up to my attention.
http://i.imgur.com/FQ4dD20.jpg (See the left guy's, RIGHT elbow and how it interacts with the vest)
Same issue with a stock INDEP vest (first image is from a retexture) as seen here:
All credit goes to Kidd2410 here: http://forums.bistudio.com/showthread.php?169287-TFA-Naval-Special-Warfare-Gear&p=2575165&viewfull=1#post2575165
My recommendation is to move the INDEP lite vest pouch that's causing the clipping towards the players back left. It should be fairly easy as it's a single model.