Each person has 100 Hitpoints, and each weapons projectile does a certain amount of HP. Easy way is to go into a private match with a friend and test certain weapons by firing single shots into them and seeing how quick they fire, how much damage they do and at what range they damage vs kill.
When you kill 3 people all at one time.
The graphics the weapons, and it takes about 2 to 3 shots to kill someone so it can be challenging. and so it wont take about 20 bullets to just kill one person
Unfortunately no you can only have 3 kill streaks equipped at a time.
Kill kill kill !!
Makarav
you kill it with a rs-ass
find the custom class and unlock them
use the stinger are javilin
By Completing challenges
sort of mw3 contains a survial mode where you kill humans rather than zombies
Noob wepons are LMG and for MW3, LMG'S and FMG9'S
100 bullets kill a juggernaut