|“||Fire a shot with +30% critical chance and extra damage on critical hits, based on the tech level of the sniper rifle. 2 turn cool down.||”|
– In-Game Description, XCOM: Enemy Unknown
- In XCOM: Enemy Within, using Headshot removes Squadsight's penalty against critical hits on targets outside the Sniper's sight range.
- While the game provides no information on this, testing indicates that the bonus damage is +2 for the Sniper Rifle, +2 for the Laser Sniper Rifle and +3 for the Plasma Sniper Rifle. 
- Only usable with Sniper Rifles.