Call of Duty 4: Modern Warfare only has three available Equipment options other than what is found inside the Perk options. Grab a Flash to blind the enemy, use a Stun to disorient them, or grab a Smoke screen to hide your location.
Flash Grenade
Device that blinds and deafens the target when detonated.
Unlocked: Default
Stun Grenade
Device that disorients the target when detonated.
Unlocked: Default
Smoke Screen
Device that creates a smoke screen when detonated.
Unlocked: Default