Here is the full list of all 50 Medal of Honor: Warfighter achievements worth 1,000 gamerscore.
Earned the Marksman Pin for all Weapons
Completed one tour with all classes.
Unlocked all soldiers in multiplayer
Finished in first place in any online match
Won a round with a Friend as a Fire Team Buddy
Called in Apache support
Complete 3 Combat Mission objectives
Finished a round as part of the top Fire Team
Completed the campaign on Tier 1 difficulty
Completed the campaign on Hardcore difficulty
Completed the training in Through the Eyes of Evil in under 18 seconds
Killed 20 enemies during the boat exfil in Rip Current
Found the grenades in the laundry room in Bump in the Night
Destroyed 90 market stalls in Hot Pursuit
Completed the sniping section in Shore Leave without missing a shot
Completed Shore Leave on Hardcore difficulty
Unlocked a soldier from each unit
Unlocked a soldier of each class
Used your Fire Team buddy to re-arm or heal
Played online for 15 minutes
Completed the campaign
Finished all the Preacher Missions
Completed Shut It Down
Finished all the Stump Missions
Completed Bump in the Night
Killed 25 enemies with melee during the Campaign
Completed Old Friends
Killed 25 enemies while using peek and lean during the Campaign
Killed an enemy while using peek and lean in the Campaign
Completed Hello and Dubai
Got through the sandstorm without hitting any vehicles in Hello and Dubai
Completed Connect the Dots
Unlocked all door breach options
Shot down the targets in the training camp caves in Connect the Dots
Completed Finding Faraz
Caught Faraz within 15 minutes in Finding Faraz
Requested ammo from an Ally 25 times in Campaign
Completed Hat Trick
Completed Rip Current
Used each breaching option at least once
Completed Changing Tides
Got 50 kills while holding enemy weapons
Recovered from near-death 5 times without dying
Killed two enemies with one bullet in the Changing Tides mission
Completed Hot Pursuit
Completed Shore Leave
Killed 25 enemies while using Combat Toggle
Requested ammo from an Ally in the Campaign
Completed Through the Eyes of Evil
Completed Unintended Consequences