Yes
most likely mw3 will have guns and attachments that you will unlock from level to level.you probably will not see and point system to buy attatchments for guns
Every machine pistol and handgun can be akimbo. No SMG's or shotguns can be akimbo in MW3.
Not at all. You can only get it on Shotguns
It's guns with a golden camo.
you level up to level 80
A sniper that shoots harpoon things apparently
You have to earn the golden guns
No there is not golden guns in World at war.
You need to get a certain amount of headshots with it.
because it has awesome guns and awesome things to do but people have different opinions
No, you need to rank up your gun level again.
There's gonna be rank 70 just like mw2 i went to go look at the game and play online. I asked the person and he said 70