Toggle sight brightness down

No-retention reload (faster; drops unused ammo)

Smooth open/close doors

Steady aim (holds breath)

Toggle the last selected accessory on/off

Move between sights on the gun (rotates the gun)

Drop item

(non-US keyboards) Quickly adjust scope zoom/range

Console

Adjust point-shooting positions

Run

Sprint

Jump/Climb

Nightvision

Move character

Lean left

Lean right

Use/Interact/Pick up

Crouch

Freelook

(hold) Bring up accessory menu (lights, lasers, IR). Move mouse and release to select

Primary fire/Throw

Aim down sights (ADS)

Reload

Return / Player list

Ready room

Spectate

Server admin menu

AO Map /w intel

Pre-recorded comms wheel (commo rose)

Local voice chat (proximity based)

Team radio chat (comms to whole team)

Drop item

Toggle sight brightness up

Quickly adjust scope zoom/range

(hold) Estimate the amount of rounds you have left in your magazine or belt

Rate of fire

Primary & Secondary Weapons

Cycle through grenades

Cycle through equipment

Tablet (map device)