If you are not a fan of leaving your handgun loose in your rig, here is a way to eliminate movement of your weapon while giving you easy access to it while on the road. There are various types of holsters out there to choose from and many places you can attach your holster, so you have plenty of options–you should know the state’s gun laws prior to carrying anywhere. Be sure you know the state you are in’s laws before driving anywhere with a handgun, though.
