User blog comment:Callofduty4/Modern Warfare 3 LMG buff/@comment-3038088-20120318145005/@comment-25496444-20120318152212

With suppressor the minimal damage range becomes decreased, so it's a 4-shot-kill earlier. It's still 3-4 hit kill. The only exception to this is sniper rifles, and LMGs in previous games (not sure if now in MW3).