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
Yes
yes
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
you level up to level 80
A sniper that shoots harpoon things apparently
because it has awesome guns and awesome things to do but people have different opinions
The military guns you place on your spaceship in the editor are just for shows. You get the real weapons by unlocking them with badges.
No, you need to rank up your gun level again.
You can get Mw3 from Stores. And specific stores are like Gamestop,Walmart,Target,and also online stores like Amazon or any site u like buying video games on.
GCA 68
No because it's against the law and you can be put in jail for buying guns.