First off: IANAL nor do I profess to be!!!
Second: In Colorado, you can drive concealed without a permit.
Compliments of RMGO.org:
Can I carry concealed in a vehicle or RV without a permit? YES
18-12-105. Unlawfully carrying a concealed weapon - unlawful possession of weapons.
(2) It shall not be an offense if the defendant was:
(b) A person in a private automobile or other private means of conveyance who carries a weapon for lawful protection of such person's or another's person or property while traveling
18-12-204. Permit contents - validity - carrying requirements.
(3) (a) A person who may lawfully possess a handgun may carry a handgun under the following circumstances without obtaining a permit and the handgun shall not be considered concealed:
(I) The handgun is in the possession of a person who is in a private automobile or in some other private means of conveyance and who carries the handgun for a legal use, including self-defense
So there ya go. Holster that puppy so it doesn't fall off when ya hit a bump. That lil gripper mat is a great place for spare mags tho, nice and handy!!!