Hi GTAResident, imho its better you wait until you receive it. Once I was selling a riffle and one guy just passed the exam and wanted to buy it,so I holded the riffle for him 1 month then another and he changed his mind at the end. I still dont know if he got his license or not but things change.....you might get it in one month or in my case 6 month my friend got his after 10 month

he had some letters to provide and he didnt receive a letter from cfa.
One advice just save money and get your firearm once you receive the actual card.
Regarding the license make sure you keep calling cfa to check if all papers submited .
Also your friends can call cfa without waiting for their call this will fasten the process big time !
I hope this helps