The The Butcher's AK/CAR Mod Pack Add-on for PAYDAY 2 has 8 achievements.
In the Mallcrasher job, loot $1,800,000 in loose cash within 50 seconds of starting the heist. The heist must be played on the OVERKILL difficulty. Unlocks the "Scope Mount" and "PBS Suppressor" for the AK weapon family, "Alfred" mask, "Dawn" material and "Dinosaur Skull" pattern.