Gun: G36C
Attatchments: Red Dot Sight.
Proficiency: Kick.
Recticle (If Applicable): None.
Camo: Any what you have unlocked.
Secondary: SMAW.
Attatchment: None.
Lethal: Semtex.
Tactical: Concussion.
Perk1: Sleight Of Hand.
Perk2: Quickdraw.
Perk3: Stalker.
Deathstreak: Juiced.

This is the class i have used throughout and i love it.

Try it and you may like it.

Gun: ACR6.8
Attatchments: Silencer+Red Dot
Proficiency: Bling
Recticle (If Applicable): Default
Camo: Red or Fall
Secondary: Skorpion
Attatchment: Silencer
Lethal: Semtex
Tactical: Flash
Perk1: Scavenger Pro
Perk2: Hardline Pro
Perk3: Steady Aim Pro
Deathstreak: Juiced

Also I would use the Assault package with Predator->Cobra->Pave Low.

Gun: PP90M1
Attatchments: Supressor+Rapid Fire
Proficiency: 2 attachments
Recticle (If Applicable): None
Camo: Doesn't matter
Secondary: A handgun
Attatchment: Akimbo
Lethal: Semtex
Tactical: Concussion
Perk1: Scavenger
Perk2: Quickdraw
Perk3: Steady Aim
Deathstreak: Juiced

Good classes but nothing special really?

Any others?

I don't want a 2 day trial but here's a class for you.
Gun: G36C
Attatchments: Red Dot Sight.
Proficiency: Kick
Recticle (If Applicable): none
Camo: Whatever camo you have unlocked.
Secondary: MP9
Attatchment: Suppressor
Lethal: Semtex
Tactical: Flashbang
Perk1: SOH (Sleight of Hand)
Perk2: Quickdraw
Perk3: Stalker
Deathstreak: Juiced

Sorry for the double post but I got another one for you.

Gun: FAD
Attatchments: Suppressor
Proficiency: Kick
Recticle (If Applicable): none
Camo: Any you want.
Secondary: .44 Magnum
Attatchment: none
Lethal: Frag/Semtex
Tactical: Flashbang/Smoke
Perk1: Scavenger or Sleight of Hand
Perk2: Quickdraw
Perk3: Stalker or Marksman
Deathstreak: Juiced or Hollow Points

primary:pp90m1
profiency:attachments
attachment:silencer and rapid fire
sight:(if using a rds or something similar:delta or target dot
camo:whatever blue or higher they are the sexiest ones
secondary:striker
profiency:kick
attachment:grip
sight:(if using a rds or something similar):target dot or delta
camo:same as before blue or higher
lethal:frags
tactical:concussions
perk 1:sleight of hand pro
perk 2:overkill pro
perk 3:stalker pro
strike package:assault predator attack heli and pavelow
death streak:juiced

Gun: Acr 2.8
Attatchments:silencer and extended mags
Proficiency: 2 attachments
Recticle (If Applicable): none
Camo: Winter if possible
Secondary: FMG9
Attatchment: akimbo
Lethal: claymore
Tactical:cuncussion
Perk1: slieght of hand
Perk2: hardline
Perk3: Steady aim or dead silence
Deathstreak: Dead mans hand (for the lolz)
Killstreak: Specialist: 1st kill:Quickdraw Pro
3nd kill:Scavenger
5th kill:Assassin Pro
7th kill: every perk

Gun: MP5
Attatchments: Rapid Fire
Proficiency: Kick
Recticle (If Applicable): No
Camo: Gold (Any Really)
Secondary: Glock 18
Attatchment: Akimbo
Lethal: Semtex
Tactical: Concussion
Perk1: Sleight of hand
Perk2: QuickDraw or assassin
Perk3: stalker (best pro) or dead silence
Deathstreak: dead mans hand
Anything i missed? Its mainly a rushing class or a spray and pray