Rangefinder is one of many power-enhancing Mini-Cons scattered across Earth. A member of the Green Mini-Con Team, when Powerlinxed to a larger Transformer, Rangefinder enhances the effective firing range of all currently-armed weaponry. This makes him parrticularly dangerous when used in conjunction with Lookout.
Transformers Playstation 2 game
Aftershock's Mini-Con storage panel was uncovered in a small hallway inside the lower levels of the Sun Temple, in the Deep Amazon region. Following the defeat of Megatron, he and the other Mini-Cons returned to Cybertron and helped form the Matrix Cannon, Nemesis Shield and Vanguard Booster, giving the Autobots the power needed to destroy Unicron.