some of the scopes and perks you can get in call of duty 4 on line are the red dot sight, ACOG, silencer, grip and grenade launcher. the perks stopping power, overkill, deep impact, 3 frags, special grenades, claymores, c4, martydorm, last stand, steady aim, juggernaut and extreme codintioning. the perks i love to use and scopes are silencer stoping power steady aim and 3 frags good for easy head shot ;)