What is the best mw3 gun for using online?

Answer 1

if you are a rusher type of player, you would probably want the scar h with a heart beat sensor, if your a camper, a Barrett 50 cal for maximum damage and accuracy. The M16 is also a good gun for rushers and smart players that do a little bit of both. I would use a heart sensor on it to.

m4a1 and vector are quite good weapons when you have completed their challenges

If you want a long range wep which isn't a sniper then the acr is a good gun

Answer 2

Whatever gun you feel most comfortable with. I find the best challenge is getting all of the guns to Gold. Once that's over with or you've finalized and reached 20th Prestige, throught those prestiges, bring a gun you know is advantageous to you coming out on top. I use two proficiencies, Kick for my higher caliber weapons, and Focus for my SMGs. I don't really use Sniper Rifles in this game since have the LSW with a grip and a Thermal, is the best high capacity sniper rifle in the game -Laughs-

All in all, go with what you know. My favorite gun is of course the MK14 EBR. I own one in real life, so when I saw it come back to MW3 (See COD4), I was really stoked.

Don't worry if someone calls you a tryhard because all you use is an ACR or MP7. When you go +20 Kills vs. Deaths, and they rage out...smile, because you did that.