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