Perfect Kill

From Halopedia, the Halo wiki

H5G-Perfect Kill.png

Perfect Kill is a medal in Halo 5: Guardians multiplayer. It is awarded for killing a full health enemy Spartan without missing a shot. The medal only applies to the Battle Rifle, DMR, Magnum, Halo One Magnum, Halo 2 Battle Rifle, Carbine and LightRifle, with each having its own unique medal variation.