Medal of Honor: Frontline
46 Achievements
14-17h
PS3
Ballbuster
Get 50 shots in the groin
16.8%
How to unlock the Ballbuster achievement in Medal of Honor: Frontline - Definitive Guide
Again I recommend using the Springfield rifle for this. Aim at the belly, crotch, or the backside of an enemy and it will count as a groin hit.