The Buck Wild medal resembles three purple and gold slugs sitting on top of a six pointed silver star; it is awarded to individuals after killing 15 opponents without dying with a shotgun on multiplayer matchmaking, Firefight, and Campaign in Halo: Reach. Melees with the shotgun do not count toward the medal. The Buck Wild medal is the last of the shotgun spree medals in Halo: Reach. This medal can be awarded on any gametype containing a shotgun.
- The easiest playlist to earn the Buck Wild medal medal is Living Dead as all the opponents wield energy swords requiring them to come into close range to infect the individual. This allows players to kill the zombies with reletive ease with a shotgun, given to all humans, as they stream through to infect the player.
- It is not possible to achieve this medal with melee using the shotgun. The player must fire the weapon and kill the opponents to earn the medal.