User blog comment:PFC Arkalis/Battlefield 3 Unlocks and Rewards; New Battleblog/@comment-68.57.114.216-20110808181519/@comment-82.34.64.154-20110811010425

Depends on the weapon I say the M4 would kill in 3 shots at close range and I don't know like 5 at long range I'm using as an example because DICE are going down the realism route and making it more and more realistic as the M4 takes that many shots to knock down someone in real life