The way we did it was we chose 4 medic 2 team each, kill each other in a circle and revive teammates, since we dont have ammo supply so we went for the headshot, battle reports down below
http://battlelog.battlefield.com/bf4/battlereport/show/1/628427822518974656/1624573834/
http://battlelog.battlefield.com/bf4/battlereport/show/1/637245094999958912/1624573834/
I literally flip throw 100 reports to find those, thanks in advance for your support.