Here is the full list of all 12 Blacklight: Tango Down (GFWL) achievements worth 200 gamerscore.
Win 1 quick match! Welcome to the winning team!
Kill 10 opponents in a quick match while they are affected by a Digi Grenade.
Achieve a win in any game mode on every map in quick match games!
Reach the rank of Sergeant.
Headshot 25 opponents while they are using HRV in quick match games.
Kill an opponent with their own weapon in a quick match. Ouch!
Kill 25 opponents in quick match games while they are EMPed!
Reach the rank of Second Lieutenant.
Reach the rank of Major.
Unlock all gear and weapons!
Achieve the rank of Brigadier General. Hats off to you!
Hack every control point on every multiplayer map in quick match games.