StatTrak™ AUG | Chameleon is a fully automatic rifle with the highest accuracy in the game. It has a high rate of fire, which makes it ideal for eliminating enemies at long range. One of the main advantages of this weapon is its incredible camouflage - just like a chameleon, it changes its color depending on the environment. Exchange your Soul Gems for the StatTrak™ AUG | Chameleon. StatTrak™ AUG | Chameleon is a new and improved version of the popular rifle, AUG. The Chameleon AUG will change its name every 10 kills, making it a unique weapon. Exchange your Soul Gems for StatTrak™ AUG | Chameleon.