Pump Yer Brakes

Pump Yer Brakes is an achievement in Halo 4.Halo Waypoint - Halo 4 Crimson Map Pack Achievements It is obtained by scoring the killing blow on a Mantis.
==Tips==
*The easiest way to do this is to board a Mantis and plant a grenade in it,but make sure that there are few or no teammates around that could kill the Mantis before the grenade goes off.
*This achievement can be done in tandem with David and Goliath.
==Sources==
Category:Halo 4 Achievements