List it here, with price
Someone agrees to buy it.
The buyer send you funds and a copy of an FFL to ship the gun to
You can legally ship the rifle to that FFL
Most FFL owners will want a photo copy of your DL if receiving a gun from a non FFL
Or you can have a local FFL ship it for you, they usually charge $25 or so plus actual shipping cost
Buyer goes to the receiving FFL, and passes back ground check and takes the rifle
Not sure the above works in California, NY and other gun restrictive states.
There is no requirement in any state to send a copy of your driver's license. It is 100% unverifiable when all the FFL needs is a name and address for his book.