Looking over the OOB (specifically OOB #13 USMC) I note that weapon #6 (M82 Sniper Rifle) is given an AP value of 2, presumedly this represents SLAP ammo. But weapon #27 (M2HB HMG (SLAP)) is given an AP value of 4.
What's the "correct" AP value for .50 cal SLAP ammo?
Link to the ammo :
web page