This may be something that we could support. The purchaser would run a NICS check on himself through a public website and get a unique PIN number that would be good for 30 days. When you buy a gun from a private seller you give him the PIN number. A purchaser with a CHP would be automatically good to go.
http://www.coburn.senate.gov/public...Group_id=14d5b368-b3c2-4a63-99c9-6ed5869359ed
http://www.coburn.senate.gov/public...Group_id=14d5b368-b3c2-4a63-99c9-6ed5869359ed