Gunsmith Cats (Revised Edition) 1
Rally and Minnie-May are two teen girls running a weapons shop in Chicago...but they have a side business as bounty hunters! Though their main task is to hunt down runaway criminals with bounty on their heads, they somehow always end up undertaking risky jobs and getting themselves into major messes!
Rally is a bounty hunter who loves guns. She's a top-notch marksman and a master gunsmith. Her beloved ride is a Shelby Cobra GT500.